Direction : Question below has two blanks, each blank indicting that some thing has been omitted. Choose the word for each blank which best fits the meaning of the sentence as a whole.
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
A
presented , stay
B
introduced , keep
C
announce , make
D
created , let
E
proclaimed , hold
Question 2Single Answer
Passage :
Direction : The five items in this section consists of a word or group of words followed by four words as (a), (b), (c) and (d). Select the word which is nearly opposite to the meaning of the original word or group of words and mark your response as (a), (b), (c) and (d), as the case may be, in your Answer Sheet.
Assets
A
liabilities
B
responsibilities
C
estates
D
profits
Question 3Single Answer
Passage :
Direction : In the question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Affidavit
A
Affirmation
B
Slander
C
Oath
D
Testimony
Question 4Single Answer
Passage :
Direction: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Hollow
A
Alveolate
B
Cleft
C
Cavernous
D
Solid
Question 5Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Cosset
A
Ignoreb
B
Close
C
Caress
D
Fondle
Question 6Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Ogle
A
Leer
B
Gaze
C
Ignore
D
Gawk
Question 7Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Intrinsic
A
Elemental
B
Innate
C
Connate
D
Acquired
Question 8Single Answer
Passage :
Direction : In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Coalesce
A
Separate
B
Adhere
C
Cleave
D
Amalgamate
Question 9Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Loiter
A
lag
B
Hasten
C
Amble
D
Loii
Question 10Single Answer
Passage :
Direction : Question below has two blanks, blank indicating that something has been omitted. Choose the set of words for blank which best fits the meaning of the sentence as a whole.
The protests were......... at ......... awareness among the elite and the educated.
A
held, generating
B
aimed, creating
C
targeted, awakening
D
focused, building
E
concentrated, producing
Question 11Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Deep-seated
A
Chronic
B
Temporary
C
inbred
D
Subconscious
Question 12Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Vibrant
A
Drab
B
Gaudy
C
Jazzy
D
Vivid
Question 13Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
To scowl
A
To glower
B
To smirk
C
To Grimace
D
To grin
Question 14Single Answer
Passage :
In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error .
I used (A)/ a pair of black trousers (B) / for a week (C)/ No error (D)
A
A
B
B
C
C
D
D
Question 15Single Answer
Passage :
Direction: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Atheist
A
Skeptic
B
Pagan
C
Disciple
D
Agnostic
Question 16Single Answer
Passage :
Directions: in the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Abdicate
A
Forgo
B
Usurp
C
Waive
D
Cede
Question 17Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to question out of the four alternatives and click the button corresponding to it.
Some languages are used by a few people. Others, such a Mandarin Chinese and English, are spoken by millions. Many people speak two or more languages. They may use one language at home with family and friends and other at work or school. Regional variations of language are known as dialects. The Anglo-Saxons, who conquered Britain at the end of the Roman Empire, spoke a Germanic language include Danish, Dutch, German and Swedish. English also contains Drench-derived words after it was ruled by French-speaking king following the Norman Conquest.
Mandarin Chinese is spoken by people.
A
Little
B
Few
C
Many
D
Big
Question 18Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to question out of the four alternatives and click the button corresponding to it. Passage Some languages are used by a few people. Others, such a Mandarin Chinese and English, are spoken by millions. Many people speak two or more languages. They may use one language at home with family and friends and other at work or school. Regional variations of language are known as dialects. The Anglo-Saxons, who conquered Britain at the end of the Roman Empire, spoke a Germanic language include Danish, Dutch, German and Swedish. English also contains Drench-derived words after it was ruled by French-speaking king following the Norman Conquest.
A person who is good at foreign languages is known as-
A
Virtuoso
B
Linguist
C
Ventriloquist
D
Scholar
Question 19Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Astringe
A
Liberate
B
Constringe
C
Circumscribe
D
Tauten
Question 20Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to question out of the four alternatives and click the button corresponding to it. Passage
The………of gurudakshina is very ancient and it is ……… to the Indian culture and tradition. If you are absolutely ……… about India, then it’s advisable that you first try to understand the meaning of a guru and the …………. of his presence in you to understand what gurudakshina is in ancient India, a teacher or a guru was a spiritually …………. Guide.
The ………..of gurudakshina is very ancient.
A
habit
B
approach
C
perception
D
concept
Question 21Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it. Passage
Some languages are used by a few people. Others, such a Mandarin Chinese and English, are spoken by millions. Many people speak two or more languages. They may use one language at home with family and friends and other at work or school. Regional variations of language are known as dialects. The Anglo-Saxons, who conquered Britain at the end of the Roman Empire, spoke a Germanic language include Danish, Dutch, German and Swedish. English also contains Drench-derived words after it was ruled by French-speaking king following the Norman Conquest.
are regional variations of a language.
A
English
B
Mandarin Chinese
C
Home language
D
Dialects
Question 22Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it. Passage
The………of gurudakshina is very ancient and it is ……… to the Indian culture and tradition. If you are absolutely ……… about India, then it’s advisable that you first try to understand the meaning of a guru and the …………. of his presence in you to understand what gurudakshina is in ancient India, a teacher or a guru was a spiritually …………. Guide.
It is ……… to the Indian culture and tradition.
A
unique
B
rare
C
different
D
particular
Question 23Single Answer
Passage :
Direction: A passage is given with question following it. Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it. Passage
Some languages are used by a few people. Others, such a Mandarin Chinese and English, are spoken by millions. Many people speak two or more languages. They may use one language at home with family and friends and other at work or school. Regional variations of language are known as dialects. The Anglo-Saxons, who conquered Britain at the end of the Roman Empire, spoke a Germanic language include Danish, Dutch, German and Swedish. English also contains Drench-derived words after it was ruled by French-speaking king following the Norman Conquest.
English also included French words the Norman Conquest.
A
After
B
Prior
C
Before
D
During
Question 24Single Answer
Select the wrongly spelt words .
A
career
B
callous
C
calander
D
carriage
Question 25Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
To spurn
A
To Accept
B
To flout
C
To Scorn
D
To rebuff
Question 26Single Answer
Passage :
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .
Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?
A
X
B
W
C
I
D
H
Question 27Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?
A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG
Question 28Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?
A
AND
B
FOR
C
THE
D
BIG
E
SUM
Question 29Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?
A
None
B
One
C
Two
D
Three
E
Four
Question 30Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
How many letters are there in the English alphabetical series between the second letter of the word which is second from the right and the second letter of the word which is second from the left of the given words?
A
Two
B
Five
C
Six
D
Nine
E
Three
Question 31Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If in each of the given words, each of the consonant is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear?
A
None
B
One
C
Two
D
Three
E
More than three
Question 32Single Answer
Passage :
Direction : Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the third alphabet in each of the words is changed to the next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed?
A
None
B
One
C
Two
D
Three
E
Four
Question 33Single Answer
Passage :
Direction : Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the position of the first and the second alphabets of each of the words are interchanged, which of the following will form a meaningful English word?
A
Both CAT and OWN
B
Both BRU and INK
C
Only CAT
D
Only INK
E
Only LEG
Question 34Single Answer
Passage :
Direction: Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be exactly in the middle of the five words?
A
OWN
B
LEG
C
BRU
D
CAT
E
INK
Question 35Single Answer
Passage :
Direction: Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If in each of the given words, each of the consonants is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will the same alphabet appear twice?
A
None
B
One
C
Two
D
Three
E
More than three
Question 36Single Answer
Passage :
Find the missing number in the following series ?
3, 5, 5, 19, 7, 41, 9, ?
A
71
B
61
C
79
D
69
Question 37Single Answer
Passage :
Direction: following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If the positions of the first and the third alphabets of each of the words are interchanged, which of the following would form meaningful words with the new arrangement?
A
HID
B
SON
C
Both LAP and BUT
D
CAR
E
Both CAR and LAP
Question 38Single Answer
Passage :
Direction: following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be fourth from the left?
A
LAP
B
BUT
C
CAR
D
SON
E
HID
Question 39Single Answer
Passage :
Direction : following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If in each of given words, each of the consonants is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will at least one vowel appear?
A
None
B
One
C
Two
D
Three
E
More than three
Question 40Single Answer
Passage :
Direction : following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
How many letters are there in the English alphabetical series between the third letter of the word which is third from the right and the first letter of the word which is first from the left of the given word?
A
Two
B
Five
C
Six
D
Nine
E
Three
Question 41Single Answer
Passage :
Direction: following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having no vowels will be formed?
A
None
B
One
C
Two
D
Three
E
More than three
Question 42Single Answer
Passage :
Direction: following letter is based on the five three letter words given below:
PIN ROD DEN SAT FUN
(Note: The words formed after performing the given operations may or may not be meaningful English words.)
If all the letters in each of the words are arranged alphabetically (within the word), how many words will remain unchanged?
A
One
B
Two
C
Three
D
More than three
E
None
Question 43Single Answer
Passage :
Direction: following letter is based on the five three letter words given below:
PIN ROD DEN SAT FUN (Note: The words formed after performing the given operations may or may not be meaningful English words.)
According to the English alphabetical series how many letters are there between the first letter of the third word and the first letter of the fifth word?
A
Two
B
One
C
None
D
Three
E
More than three
Question 44Single Answer
Passage :
Direction: following letter is based on the five three letter words given below:
PIN ROD DEN SAT FUN (Note: The words formed after performing the given operations may or may not be meaningful English words.)
If the first letter of all the words is changed to the previous letter of the English alphabetical series, how many words will have more than one vowel?
A
One
B
Two
C
Three
D
More than three
E
None
Question 45Single Answer
Passage :
Direction: following letter is based on the five three letter words given below:
PIN ROD DEN SAT FUN (Note: The words formed after performing the given operations may or may not be meaningful English words.)
If all the vowels (in all the words) are changed to the next letter of the English alphabetical series, how many words will form meaningful English words?
A
One
B
Two
C
Three
D
More than three
E
None
Question 46Single Answer
Passage :
Direction : following letter are based on the five three letter words given below:
PIN ROD DEN SAT FUN (Note: The words formed after performing the given operations may or may not be meaningful English words.)
If the positions of the first and last letters of all of the words are interchanged and then the words thus formed are arranged alphabetically form left to right, which of the following will be second from the left?
A
SAT
B
DEN
C
ROD
D
PIN
E
FUN
Question 47Single Answer
Passage :
Direction: Following question is based on the five three lettered words given below:
SHE AND TWO WIT GUM
(Note: The words formed after performing the given operations may or may not be meaningful English words)
If all the letters in each of the words are arranged in alphabetical order (within the word) how many words will remain unchanged?
A
One
B
Two
C
Three
D
More than three
E
None
Question 48Single Answer
Passage :
Direction: The following question is based on five words given below:
RAT ONE BUT AND SAW
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If in each of the given words each alphabet is changed to the next letter in the English alphabetical series, in how many words thus formed have the consonants changed to vowels?
A
One
B
Two
C
Three
D
Four
E
Five
Question 49Single Answer
Passage :
Direction : The following question is based on five words given below:
RAT ONE BUT AND SAW
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
How many such pairs of the letters are there in the word highlighted in bold, each of which has as many letters between them in the word (in both forward and backward directions), as they have between them in the English alphabetical order?
A
None
B
One
C
Two
D
Three
E
Four
Question 50Single Answer
Passage :
Direction: The following question is based on five words given below:
RAT ONE BUT AND SAW
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If the first alphabet of each of the words is changed to the next alphabet in English alphabetical series, how many meaningful English words will be formed?
A
One
B
Two
C
Three
D
Four
E
Five
Important Questions Package
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General Aptitude Test
Question 51Single Answer
Passage :
Direction: The following question is based on five words given below:
RAT ONE BUT AND SAW
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If the given words are arranged in the order as they would appear in the dictionary from left to right, which of the following would be fourth from the left?
A
RAT
B
ONE
C
BUT
D
AND
E
SAW
Question 52Single Answer
Passage :
Direction : The following question is based on five words given below:
RAT ONE BUT AND SAW
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If in each of the given words, only the consonants are changed to the next letter in the English alphabetical series and the vowels are retained, in how many words thus formed will the vowels appear twice or more times? (same or different vowels)
A
None
B
One
C
Two
D
Three
E
Four
Question 53Single Answer
Passage :
Direction : Following question is based on five words given below:
WIT BAR URN ELF TOP
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If in each of the words, all the alphabets are arranged in English alphabetical order within the word, how many words will NOT begin with a vowel?
A
None
B
One
C
Two
D
Three
E
More than three
Question 54Single Answer
Passage :
Direction : Following question is based on five words given below:
WIT BAR URN ELF TOP
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
How many letters are there in the English alphabetical series between second letter of the word which is second from the right and the third letter of the word which is third from the left of given words?
A
One
B
Two
C
Three
D
Four
E
Five
Question 55Single Answer
Passage :
Direction : Following question is based on five words given below:
WIT BAR URN ELF TOP
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If in each of the given words, each of the consonants is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowel appear?
A
None
B
One
C
Two
D
Three
E
More than three
Question 56Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
A
51:52
B
52:53
C
51:53
D
52:55
Question 57Single Answer
Which of the following numbers is irrational ?
A
√49
B
0.125
C
√2
D
22/7
Question 58Single Answer
356 x 936 – 356 x 836 = ?
A
35600
B
34500
C
9630
D
93600
Question 59Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4
Question 60Single Answer
What is (3^{4} times 9^{2}) ?
A
36
B
38
C
310
D
96
Question 61Single Answer
If 34X-2 = 729, then find the value of X.
A
4
B
3
C
2
D
5
Question 62Single Answer
Convert 0.6 into fraction ?
A
3/5
B
2/3
C
4/5
Question 63Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
A
169
B
36
C
196
D
Can not say
Question 64Single Answer
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
A
16
B
25
C
28
D
30
Question 65Single Answer
If x*y = x2 + y2 – xy, then value of 9*11 is
A
93
B
103
C
60.5
D
121
Question 66Single Answer
Which is greater ?
A
15/16
B
17/18
C
Equal
D
Cannot compare
Question 67Single Answer
If sum of two numbers is 42 and their product is 437, then find their difference.
A
3
B
4
C
5
D
7
Question 68Single Answer
Write the 44000 in Roman numerals
A
XLI
B
XLVI
C
XLIV
D
XLVIC
Question 69Single Answer
Convert 0.0909… into fraction ?
A
1/11
B
9/11
C
1/9
D
9/10
Question 70Single Answer
What is (98 times 102) ?
A
9996
B
10000
C
10096
D
10196
Question 71Single Answer
Which is smaller ?
A
9/11
B
7/9
C
Equal
D
Cannot compare
Question 72Single Answer
Convert 0.5777… into fraction ?
A
26/45
B
52/90
C
13/22
D
5/9
Question 73Single Answer
Convert 0.81 into fraction ?
A
81/100
B
9/10
C
8/9
D
9/11
Question 74Single Answer
(63)2 – (12)2 =?
A
3528
B
3852
C
3582
D
3825
Question 75Single Answer
Which is greater ?
A
13/17
B
11/14
C
Equal
D
Cannot compare
Question 76Single Answer
16.928 + 24.7582 5.015 =?
A
20
B
24
C
22
D
26
Question 77Single Answer
Convert 0.75 into fraction ?
A
3/4
B
2/3
C
4/5
D
5/8
Question 78Single Answer
Which is greater ?
A
11/13
B
12/15
C
Equal
D
Cannot compare
Question 79Single Answer
Two numbers are co-prime if their HCF is ?
A
0
B
1
C
Same
D
Prime
Question 80Single Answer
Product of all factors of 10 is ?
A
10
B
100
C
1000
D
10000
Question 81Single Answer
How many real numbers exist between 2 and 3 ?
A
1
B
10
C
Infinite
D
None
Question 82Single Answer
Which number is divisible by 11 ?
A
12345
B
1331
C
1234
D
1213
Question 83Single Answer
What is the unit digit of (7^{245}) ?
A
1
B
3
C
7
D
9
Question 84Single Answer
What is (64^{2/3}) ?
A
4
B
8
C
16
D
32
Question 85Single Answer
What is (125^{1/3}) ?
A
3
B
4
C
5
D
6
Chemical
Question 86Single Answer
The equilibrium constant (K) for a reaction is related to the Gibbs free energy change (ΔG) by:
A
ΔG = -RT ln(K)
B
ΔG = RT ln(K)
C
ΔG = -RT/ln(K)
D
ΔG = RT/ln(K)
Question 87Single Answer
The first law of thermodynamics states that:
A
Entropy of an isolated system always increases
B
Energy can neither be created nor destroyed
C
Enthalpy remains constant in an adiabatic process
D
Heat transfer is irreversible
Question 88Single Answer
Which thermodynamic property is a measure of the disorder of a system?
A
Enthalpy
B
Gibbs free energy
C
Entropy
D
Internal energy
Question 89Single Answer
The Gibbs phase rule is used to determine:
A
The rate of a chemical reaction
B
The number of degrees of freedom in a system
C
The heat transfer coefficient
D
The mass transfer rate
Question 90Single Answer
What is the term for a system in which there is no transfer of heat with the surroundings?
A
Isothermal
B
Isobaric
C
Adiabatic
D
Isochoric
Question 91Single Answer
The Clapeyron equation is used to calculate:
A
Vapor pressure as a function of temperature
B
Heat capacity
C
Reaction rate
D
Mass transfer coefficient
Question 92Single Answer
Fugacity is a measure of:
A
The ideal gas pressure
B
The "escaping tendency" of a substance from a phase
C
The reaction rate
D
The heat transfer rate
Question 93Single Answer
The rate of a homogeneous reaction is usually expressed as a function of:
A
Temperature and pressure only
B
Temperature and concentration
C
Pressure and flow rate
D
Flow rate and volume
Question 94Single Answer
A batch reactor is characterized by:
A
Continuous flow of reactants and products
B
No flow of reactants or products during the reaction
C
Constant volume and temperature
D
Constant pressure and temperature
Question 95Single Answer
A continuous stirred-tank reactor (CSTR) is assumed to be:
A
Plug flow
B
Perfectly mixed
C
Laminar flow
D
Turbulent flow
Question 96Single Answer
The space time in a plug flow reactor (PFR) is equal to:
A
The residence time
B
The reaction rate
C
The heat transfer rate
D
The mass transfer rate
Question 97Single Answer
Catalysts increase the rate of a reaction by:
A
Increasing the temperature
B
Lowering the activation energy
C
Increasing the pressure
D
Changing the equilibrium constant
Question 98Single Answer
What type of reactor is used for heterogeneous catalytic reactions where a solid catalyst is fluidized by the reacting fluid?
A
Batch reactor
B
CSTR
C
Fluidized bed reactor
D
Packed bed reactor
Question 99Single Answer
The Arrhenius equation describes the temperature dependence of:
A
Reaction rate constant
B
Heat transfer coefficient
C
Mass transfer coefficient
D
Equilibrium constant
Question 100Single Answer
Distillation is used to separate components based on differences in:
A
Density
B
Boiling points
C
Viscosity
D
Particle size
Question 101Single Answer
Absorption is a mass transfer operation in which a gas is dissolved in a:
A
Solid
B
Liquid
C
Another gas
D
Vacuum
Question 102Single Answer
Extraction is a separation process based on differences in:
A
Solubility
B
Density
C
Boiling point
D
Viscosity
Question 103Single Answer
Drying involves the removal of:
A
Solutes from a solution
B
Moisture from a solid
C
Gases from a mixture
D
Heat from a system
Question 104Single Answer
Reverse osmosis is an example of a:
A
Distillation process
B
Absorption process
C
Membrane separation process
D
Drying process
Question 105Single Answer
The Fick's law describes:
A
Heat conduction
B
Mass diffusion
C
Fluid flow
D
Chemical reaction rates
Question 106Single Answer
The overall mass transfer coefficient is influenced by:
A
Liquid-phase resistance only
B
Gas-phase resistance only
C
Both liquid-phase and gas-phase resistances
D
Neither liquid nor gas phase resistances
Question 107Single Answer
Conduction is the transfer of heat through:
A
Fluid motion
B
Electromagnetic waves
C
Molecular vibrations
D
Phase change
Question 108Single Answer
Convection involves heat transfer by:
A
Electromagnetic waves
B
Fluid motion
C
Molecular vibrations
D
Phase change
Question 109Single Answer
Radiation is heat transfer by:
A
Fluid motion
B
Electromagnetic waves
C
Molecular vibrations
D
Phase change
Question 110Single Answer
A heat exchanger is used to:
A
Increase reaction rate
B
Transfer heat between two fluids
C
Separate components
D
Dry solids
Question 111Single Answer
What is the term for heat transfer in a fluid due to bulk movement of the fluid?
A
Conduction
B
Convection
C
Radiation
D
Evaporation
Question 112Single Answer
The Fourier's law describes:
A
Heat conduction
B
Mass diffusion
C
Fluid flow
D
Chemical reaction rates
Question 113Single Answer
The Stefan-Boltzmann law describes:
A
Heat conduction
B
Heat radiation
C
Heat convection
D
Heat transfer in heat exchangers
Question 114Single Answer
The Nusselt number is a dimensionless number used in:
A
Mass transfer
B
Heat transfer
C
Reaction kinetics
D
Thermodynamics
Question 115Single Answer
What type of heat exchanger consists of concentric pipes?
A
Shell and tube
B
Double pipe
C
Plate
D
Finned tube
Question 116Single Answer
The overall heat transfer coefficient in a heat exchanger is affected by:
A
Fluid velocities and thermal conductivities
B
Only fluid velocities
C
Only thermal conductivities
D
Neither fluid velocities nor thermal conductivities
Question 117Single Answer
In a counter-current heat exchanger, the fluids flow:
A
In the same direction
B
In opposite directions
C
Perpendicular to each other
D
In a circular pattern
Question 118Single Answer
The logarithmic mean temperature difference (LMTD) is used to calculate:
A
Heat transfer rate
B
Mass transfer rate
C
Reaction rate
D
Fluid flow rate
Question 119Single Answer
The Prandtl number is a dimensionless number that relates:
A
Momentum diffusivity and thermal diffusivity
B
Mass diffusivity and thermal diffusivity
C
Momentum diffusivity and mass diffusivity
D
Fluid velocity and pressure
Question 120Single Answer
Fins are used in heat exchangers to:
A
Increase the heat transfer surface area
B
Decrease the fluid velocity
C
Increase the pressure drop
D
Decrease the thermal conductivity
Question 121Single Answer
Forced convection occurs when fluid motion is caused by:
A
Density differences
B
External means like pumps or fans
C
Molecular vibrations
D
Electromagnetic waves
Question 122Single Answer
Natural convection occurs when fluid motion is caused by:
A
External means like pumps or fans
B
Density differences
C
Molecular vibrations
D
Electromagnetic waves
Question 123Single Answer
The effectiveness of a heat exchanger is defined as:
A
The ratio of actual heat transfer to maximum possible heat transfer
B
The ratio of fluid velocities
C
The ratio of thermal conductivities
D
The ratio of pressure drops
Question 124Single Answer
Scaling in heat exchangers refers to:
A
The formation of deposits on heat transfer surfaces
B
The increase in heat transfer rate
C
The decrease in fluid velocity
D
The increase in pressure drop
Question 125Single Answer
Pascal's law states that pressure applied to an enclosed fluid is:
A
Diminished throughout the fluid
B
Transmitted undiminished to every point in the fluid
C
Increased in the direction of flow
D
Decreased in the direction of flow
Question 126Single Answer
The Reynolds number is used to determine:
A
Fluid density
B
Flow regime (laminar or turbulent)
C
Fluid viscosity
D
Fluid pressure
Question 127Single Answer
A centrifugal pump operates based on:
A
Positive displacement
B
Centrifugal force
C
Gravity
D
Vacuum
Question 128Single Answer
Size reduction of solids is accomplished by:
A
Filtration
B
Crushing and grinding
C
Sedimentation
D
Distillation
Question 129Single Answer
Filtration is a process used to separate:
A
Liquids from gases
B
Solids from liquids
C
Gases from gases
D
Solids from solids
Question 130Single Answer
Sedimentation is a process based on:
A
Density differences
B
Boiling point differences
C
Solubility differences
D
Viscosity differences
Question 131Single Answer
Bernoulli's equation describes the relationship between:
A
Pressure, velocity, and elevation
B
Temperature, pressure, and volume
C
Density, viscosity, and flow rate
D
Heat transfer and mass transfer
Question 132Single Answer
The Darcy-Weisbach equation is used to calculate:
A
Heat transfer rate
B
Mass transfer rate
C
Pressure drop in pipes
D
Reaction rate
Question 133Single Answer
A feedback control system operates by:
A
Predicting future process behavior
B
Measuring the output and adjusting the input
C
Maintaining a constant input
D
Ignoring process disturbances
Question 134Single Answer
A PID controller consists of:
A
Proportional, Integral, and Derivative modes
B
Pressure, Temperature, and Flow modes
C
Primary, Intermediate, and Delayed modes
D
Positive, Inverse, and Differential modes
Question 135Single Answer
A rotameter is used to measure:
A
Pressure
B
Temperature
C
Flow rate
D
Level
Question 136Single Answer
The Laplace transform is used in process control to:
A
Analyze steady-state behavior
B
Analyze dynamic behavior
C
Calculate heat transfer rates
D
Calculate mass transfer rates
Question 137Single Answer
A transfer function relates:
A
Input and output of a system
B
Temperature and pressure
C
Flow rate and level
D
Heat transfer and mass transfer
Question 138Single Answer
The Haber-Bosch process is used to produce:
A
Ethylene
B
Methanol
C
Ammonia
D
Sulfuric acid
Question 139Single Answer
Methanol is produced from:
A
Natural gas or coal
B
Crude oil
C
Vegetable oils
D
Animal fats
Question 140Single Answer
Ethylene is commonly produced by:
A
Cracking of hydrocarbons
B
Polymerization of propylene
C
Oxidation of methane
D
Hydrogenation of benzene
Question 141Single Answer
Catalytic cracking is a process used in:
A
Polymer production
B
Petroleum refining
C
Ammonia synthesis
D
Methanol production
Question 142Single Answer
Polymerization is a process that involves:
A
Breaking down large molecules
B
Combining small molecules into large chains
C
Separating components by distillation
D
Removing impurities by filtration
Question 143Single Answer
Environmental pollution control in chemical industries includes:
A
Air and water treatment
B
Increasing production rates
C
Reducing product quality
D
Ignoring waste disposal
Question 144Single Answer
Reforming in petroleum refining is used to:
A
Increase the octane number of gasoline
B
Reduce the viscosity of heavy oils
C
Remove sulfur from crude oil
D
Produce asphalt
Question 145Single Answer
Process design involves:
A
Selecting equipment and determining process conditions
B
Managing personnel
C
Marketing products
D
Accounting procedures
Question 146Single Answer
Plant layout includes considerations of:
A
Equipment arrangement and safety
B
Employee salaries
C
Product pricing
D
Stock market trends
Question 147Single Answer
Cost estimation is used to determine:
A
Product quality
B
Capital and operating costs
C
Employee performance
D
Environmental impact
Question 148Single Answer
Economic evaluation methods include:
A
Net present value and internal rate of return
B
Employee satisfaction surveys
C
Customer feedback analysis
D
Weather forecasting
Question 149Single Answer
Hazard analysis is used to:
A
Prevent accidents and ensure safety
B
Increase production rates
C
Reduce product costs
D
Improve employee morale
Question 150Single Answer
Piping design includes considerations of:
A
Fluid flow and pressure drop
B
Employee uniforms
C
Product packaging
D
Office furniture
Question 151Single Answer
The purpose of a process flow diagram (PFD) is to:
A
Illustrate the sequence of operations
B
Detail equipment specifications
C
Manage employee schedules
D
Track inventory levels
Question 152Single Answer
A battery limits diagram shows:
A
The physical boundaries of the process unit
B
The employee training schedule
C
The customer order history
D
The financial performance of the company
Question 153Single Answer
The Lang factor is used in:
A
Cost estimation of chemical plants
B
Employee performance evaluations
C
Customer satisfaction surveys
D
Environmental impact assessments
Question 154Single Answer
The payback period is used to determine:
A
The profitability of a project
B
The time required to recover the initial investment
C
The net present value of a project
D
The internal rate of return of a project
Question 155Single Answer
A HAZOP study involves:
A
Identifying potential hazards and operability problems
B
Developing marketing strategies
C
Managing inventory levels
D
Conducting financial audits
Question 156Single Answer
The purpose of a process and instrumentation diagram (P&ID) is to:
A
Show the piping, equipment, and instrumentation details
B
Detail employee training programs
C
Track customer orders
D
Manage financial transactions
Question 157Single Answer
The capital cost of a chemical plant includes:
A
Raw material costs
B
Equipment, installation, and construction costs
C
Employee salaries
D
Product marketing costs
Question 158Single Answer
The operating cost of a chemical plant includes:
A
Equipment purchase costs
B
Raw material, utilities, and labor costs
C
Construction costs
D
Land acquisition costs
Question 159Single Answer
The internal rate of return (IRR) is:
A
The discount rate that makes the net present value equal to zero
B
The time required to recover the initial investment
C
The profitability index of a project
D
The payback period of a project
Question 160Single Answer
The net present value (NPV) is used to:
A
Determine the profitability of a project by discounting future cash flows
B
Calculate the payback period of a project
C
Estimate the internal rate of return of a project
D
Calculate the depreciation of equipment
Question 161Single Answer
The purpose of a safety data sheet (SDS) is to:
A
Provide information about the hazards of chemical substances
B
Detail employee performance evaluations
C
Track customer order history
D
Manage financial transactions
Question 162Single Answer
The design pressure of a vessel is:
A
The maximum pressure expected during normal operation
B
The minimum pressure required for operation
C
The average pressure during operation
D
The pressure required for marketing the product
Question 163Single Answer
The process of debottlenecking refers to:
A
Identifying and removing constraints that limit production capacity
B
Increasing employee salaries
C
Reducing product marketing costs
D
Ignoring safety regulations to increase production
Question 164Single Answer
The rate law of a reaction expresses the reaction rate as a function of:
A
Temperature only
B
Pressure only
C
Concentration of reactants
D
Volume of the reactor
Question 165Single Answer
The order of a reaction is determined by:
A
Stoichiometry of the reaction
B
Experimental data
C
Temperature of the reaction
D
Pressure of the reaction
Question 166Single Answer
A reaction mechanism describes:
A
The overall stoichiometry of the reaction
B
The step-by-step sequence of elementary reactions
C
The heat of reaction
D
The activation energy of the reaction
Question 167Single Answer
The Arrhenius equation relates the rate constant to:
A
Pressure and concentration
B
Temperature and activation energy
C
Volume and pressure
D
Concentration and volume
Question 168Single Answer
Non-elementary reactions involve:
A
Single-step reactions
B
Multiple-step reactions
C
Reactions with no activation energy
D
Reactions with constant rate constants
Question 169Single Answer
The molecularity of an elementary reaction refers to:
A
The number of reactants in the overall reaction
B
The number of molecules participating in an elementary step
C
The order of the reaction
D
The rate constant of the reaction
Question 170Single Answer
The half-life of a first-order reaction is:
A
Dependent on the initial concentration
B
Independent of the initial concentration
C
Proportional to the initial concentration
D
Inversely proportional to the initial concentration
5.015 =?