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Objective Questions

Latest DFCCIL Executive Electrical Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge, Quantitative Aptitude, Reasoning, Electrical

Question Bank DFCCIL Executive Electrical Exam CBT 2 - English
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General Knowledge

Question 1Single Answer
Yojna a weekly journal
  1. A
    Ministry of Finance        
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 2Single Answer
Kurukshetra a journal on rural development is published by
  1. A
    Ministry of Finance 
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 3Single Answer
Devaluation of a currency means
  1. A
    Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
  2. B
    Reduction in the value of a currency vis-à-vis major internationally traded currencies
  3. C
    Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
  4. D
    Permitting the currency to seek its worth in the international market
Question 4Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
            1. a large number of farmers are illiterate and know little about scientific agriculture
            2. prices of primary products are lower than those of manufactured products
            3. Investments in agriculture has been low when compared to investment in industry
  1. A
    1 and 3
  2. B
    2 and 3
  3. C
    1 and 2
  4. D
    1,2 and 3
Question 5Single Answer
When was the Constituent Assembly of India formed?
  1. A
    1946
  2. B
    1947
  3. C
    1948
  4. D
    1950
Question 6Single Answer
Who was the Chairman of the Drafting Committee of the Indian Constitution?
  1. A
    Dr. Rajendra Prasad
  2. B
    Dr. B.R. Ambedkar
  3. C
    Jawaharlal Nehru
  4. D
    Sardar Vallabhbhai Patel
Question 7Single Answer
Which country observed Republic Day on June 2, 2025, commemorating the 1946 referendum that led to the establishment of the republic?
  1. A
    France
  2. B
    Germany
  3. C
    Italy
  4. D
    Spain
Question 8Single Answer
What is the name of the transgender teen athlete who won track events in California amid federal threats to cut state funding over trans-inclusive sports policies?
  1. A
    Alex Morgan
  2. B
    AB Hernandez
  3. C
    Jamie Lee
  4. D
    Taylor Smith

Reasoning

Question 9Single Answer
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
  1. A
    Two
  2. B
    Three
  3. C
    Five
  4. D
    Four
  5. E
    None of these
Question 10Single Answer
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
  1. A
    True
  2. B
    False
  3. C
    Uncertain
  4. D
    None
Question 11Single Answer
If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.
  1. A
    A
  2. B
    E
  3. C
    T
  4. D
    X
  5. E
    Y
Question 12Single Answer
How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?
  1. A
    None            
  2. B
    One         
  3. C
    Two       
  4. D
    Three        
  5. E
    More than three
Question 13Single 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 ?
  1. A
    X
  2. B
    W
  3. C
    I
  4. D
    H
Question 14Single 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?
  1. A
    SUM
  2. B
    BIG
  3. C
    Both BIG and THE
  4. D
    FOR
  5. E
    Both FOR and BIG
Question 15Single 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 ?
  1. A
    AND
  2. B
    FOR
  3. C
    THE
  4. D
    BIG
  5. E
    SUM
Question 16Single 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 ?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. E
    Four

Quantitative Aptitude

Question 17Single 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:__________ ?
  1. A
    51:52
  2. B
    52:53
  3. C
    51:53
  4. D
    52:55
Question 18Single Answer
Which of the following numbers is irrational ?
  1. A
    √49
  2. B
    0.125
  3. C
    √2
  4. D
    22/7
Question 19Single Answer
356 x 936 – 356 x 836 = ?
  1. A
    35600  
  2. B
    34500
  3. C
    9630
  4. D
    93600
Question 20Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
  1. A
    3/4 > 7/10 > 5/8
  2. B
    7/10 > 3/4 > 5/8
  3. C
    3/4 > 5/8 > 7/10
  4. D
    5/8 > 7/10 > 3/4
Question 21Single Answer
Passage :
information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.

We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values
Chemistry but not in Physics.
  1. A
    318
  2. B
    198
  3. C
    213 
  4. D
    206
Question 22Single Answer
Passage :
Direction: information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.

We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values
Physics or Maths but not in Chemistry.
  1. A
    558   
  2. B
    718
  3. C
    628  
  4. D
    None of these
Question 23Single Answer
Passage :
For the next four question that follow:
In a city, three daily newspapers A, B, C are published, 42% read A; 51% read B; 68% read C; 30% read A and B; 28% read B and C; 36% read A and C; 8% do not read any of the three newspapers.

Let x% people read all the three newspapers.
Since 8% people do not read any newspapers.
 (x – 24) + (x – 7) + (x + 4) + (30 – x) + (36 – x) + (28 – x) + x = 92
→ x + 98 – 31 = 92
→ x = 92 – 67 = 25
What is the percentage of persons who read all the three papers ?
  1. A
    20%  
  2. B
    25%
  3. C
    30%  
  4. D
    40%
Question 24Single Answer
Passage :
For the next four : question that follow :
In a city, three daily newspapers A, B, C are published, 42% read A; 51% read B; 68% read C; 30% read A and B; 28% read B and C; 36% read A and C; 8% do not read any of the three newspapers.

Let x% people read all the three newspapers.
Since 8% people do not read any newspapers.
 (x – 24) + (x – 7) + (x + 4) + (30 – x) + (36 – x) + (28 – x) + x = 92
→ x + 98 – 31 = 92
→ x = 92 – 67 = 25
What is the percentage of persons who read only two papers?
  1. A
    19%  
  2. B
    31%
  3. C
    44%
  4. D
    None of these

Electrical

Question 25Single Answer
Resistance switching is normally resorted in case of
  1. A
    Air blast CB
  2. B
    Bulk oil CB
  3. C
    Minimum oil CB
  4. D
    All types of CB
Question 26Single Answer
By transmitting power at high voltage
  1. A
    it will give poor voltage regulation
  2. B
    it will give better voltage regulation
  3. C
    it will not effect voltage regulation
  4. D
    None of these
Question 27Single Answer
Which statement about the daily load curve is valid ?
  1. A
    The area under the curve gives the average demand
  2. B
    The ratio of the area under the curves to the total area of rectangle in which it is contained gives the load factor for the day
  3. C
    The peak of the curve gives the installed capacity of the plant
  4. D
    The area of the curves divided by the number of hours gives load factor
Question 28Single Answer
High voltage Schring bridge is used to measure
  1. A
    large capacitance without additional element
  2. B
    small capacitance without additional element
  3. C
    medium value capacitance
  4. D
    None of these
Question 29Single Answer
Draw - in - system of laying underground cables has the drawback (s) of
  1. A
    higher cost
  2. B
    reduced current carrying capacity of the cables
  3. C
    requirements of much deeper and wider trenches
  4. D
    repairs, alterations or additions difficult
  5. E
    all of the above except
Question 30Single Answer
Surge impedance of a transmission line is
  1. A
    independent of its length
  2. B
    dependent on its length
  3. C
    independent on its temperature
  4. D
    none of the above
Question 31Single Answer
If two synchronous generators connected in parallel loose synchronism, it will lead to
  1. A
    stalling of generators
  2. B
    wild fluctuations in current
  3. C
    wild fluctuations in current and voltage
  4. D
    None of these
Question 32Single Answer
A differential relay responds to
  1. A
    algebraic difference of two or more similar electrical quantities
  2. B
    vector difference of two or more similar electrical quantities
  3. C
    algebraic difference between two currents
  4. D
    algebraic difference between two voltages
Question 33Single Answer
The conductor carries more current on the surface in comparison to its core. This phenomenon is called the
  1. A
    Skin effect
  2. B
    Corona
  3. C
    Ferranti effect
  4. D
    Lenz's effect
Question 34Single Answer
A booster is connected in
  1. A
    series with the feeder
  2. B
    parallel with the feeder
  3. C
    both (a) and (b) are correct
  4. D
    none of these
Question 35Single Answer
Fuses have got advantages of
  1. A
    cheapest type of protection
  2. B
    inverse time - current characteristic
  3. C
    no maintenance
  4. D
    current limiting effect under short - circuit conditions
  5. E
    all of the above
Question 36Single Answer
The power transmitted will be maximum when
  1. A
    line reactance is high
  2. B
    corona losses are minimum
  3. C
    sending end voltage is more
  4. D
    receiving end voltage is more
Question 37Single Answer
The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the consumer is
  1. A
    0.75
  2. B
    0.375
  3. C
    1.33
  4. D
    None of these
Question 38Single Answer
In a transformer, the exciting current will be in phase quadrature with the impressed voltage provided
  1. A
    only the leakage impedance drop is ignored
  2. B
    only the core loss is ignored
  3. C
    both the leakage impedance drop and the core loss are ignored
  4. D
    only the no - load copper loss is ignored
Question 39Single Answer
Which of the following techniques is used for the measurements of a.c. high frequency voltages ?
  1. A
    Peak voltmeter
  2. B
    Series resistance mircro - ammeter
  3. C
    Resistance potential divider
  4. D
    All of these
Question 40Single Answer
Use of additional shunt capacitor can be made for increasing the capability of line as it
  1. A
    reduces surge impedance Z0
  2. B
    increases phase shift β
  3. C
    increase in α
  4. D
    all of the above
Question 41Single Answer
The sag of a transmission line is least affected owing to
  1. A
    weight of the conductor
  2. B
    current through the conductor
  3. C
    atmospheric temperature
  4. D
    ice deposited on the conductor
Question 42Single Answer
In case of Impulse Thermal break down of solid insulating materials, the critical electric field is proportional to
  1. A
    critical absolute temperature
  2. B
    square of critical absolute temperature
  3. C
    square of T0
  4. D
    none of these
Question 43Single Answer
The insulation of the modern EHV lines is designed based on
  1. A
    corona
  2. B
    switching voltages
  3. C
    lightning voltage
  4. D
    all of these
Question 44Single Answer
For constant voltage transmission, the voltage drop along the line is maintained constant by installing
  1. A
    capacitors
  2. B
    inductors
  3. C
    resistors
  4. D
    synchronous phase modifiers at the receiving end
Question 45Single Answer
AC network analyser is employed for solving the problems of
  1. A
    load flow
  2. B
    load flow and stability
  3. C
    load flow and short - circuit
  4. D
    load flow, stability and short - circuit
Question 46Single Answer
The change in excitation in an alternator connected to an infinite line provides a corresponding change in
  1. A
    terminal voltage
  2. B
    speed of rotor
  3. C
    power generated
  4. D
    power factor
Question 47Single Answer
Different types of insulators used for transmission lines are
  1. A
    pin type only
  2. B
    suspension type only
  3. C
    strain type only
  4. D
    pin type, suspension type and shackle type
Question 48Single Answer
The conductor connecting consumer's terminals to the distributor is called the
  1. A
    feeder
  2. B
    distributor
  3. C
    service main
  4. D
    none of the above
Question 49Single Answer
Which of the following method or techniques can be used for the measurement of high d.c. voltages ?
  1. A
    Generating voltmeter
  2. B
    Electrostatic voltmeter
  3. C
    Peak voltmeter
  4. D
    Half effect generators
Question 50Single Answer
The ripple voltage in dc output is small if
  1. A
    frequency of supply voltage is small
  2. B
    the filtering capacitor is small
  3. C
    load current is small
  4. D
    none of these
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