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Latest THDC Engineer Mechanical Exam Question (Objective Questions), MCQ in English

Subjects : General Awareness, Reasoning, Concerned Discipline (Mechanical)

Question Bank THDC Engineer Mechanical Exam - English
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General Awareness

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
Which of the following programmes aims at the promotion of savings among rural women
  1. A
    Rashtriya Mahila Kosh
  2. B
    Indira Mahila Yojna
  3. C
    Jawahar Rozgar Yojna
  4. D
    Mahila Samridhi Yojna
Question 6Single Answer
Sattriya dance form is famous in which of these states ?
  1. A
    Assam
  2. B
    Himachal Pradesh
  3. C
    Punjab
  4. D
    Tamil Nadu
Question 7Single Answer

"Who said, 'India was a parrot unto itself'?

  1. A
    Malik Muhammad Joyce
  2. B
    Raskhan
  3. C
    Rich Khusrow
  4. D
    Rich Hasan
Question 8Single Answer
Which is the national game of Bhutan ?
  1. A
    badminton
  2. B
    basketball
  3. C
    football
  4. D
    archery
Question 9Single Answer
When was the Constituent Assembly of India formed?
  1. A
    1946
  2. B
    1947
  3. C
    1948
  4. D
    1950
Question 10Single Answer
Who is known as the "Father of the Indian Renaissance" ?
  1. A
    Raja Ram Mohan Roy
  2. B
    Swami Vivekananda
  3. C
    Rabindranath Tagore
  4. D
    Mahatma Gandhi
Question 11Single Answer
What is the study of ethics primarily concerned with ?
  1. A
    Economic behavior
  2. B
    Human values and moral principles
  3. C
    Physical health
  4. D
    Political systems
Question 12Single Answer
Which is the longest river in India?
  1. A
    Yamuna
  2. B
    Ganges
  3. C
    Brahmaputra
  4. D
    Godavari
Question 13Single Answer
The Western Ghats are also known as:
  1. A
    Sahyadris
  2. B
    Vindhyas
  3. C
    Satpuras
  4. D
    Aravallis
Question 14Single Answer
The Indian Navy recently received its second indigenous Diving Support Vessel (DSV). What is its name?
  1. A
    Nistar
  2. B
    Nipun
  3. C
    INS Vikrant
  4. D
    INS Arihant
Question 15Single Answer
The Public Examinations (Prevention of Unfair Means) Amendment Bill, 2026, was passed by the Rajya Sabha on which date?
  1. A
    27 July 2026
  2. B
    29 July 2026
  3. C
    31 July 2026
  4. D
    30 July 2026

Reasoning

Question 16Single 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 17Single 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 18Single 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 19Single 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 20Single Answer
How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. E
    More than three
Question 21Single Answer
How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. E
    More than three
Question 22Single Answer
If it is possible to make only one meaningful word with the first, the second, the seventh and the eighth letters of the word TEMPORAL, which of the following will be the first letter of that word? If more than one such word can be made, give ‘Y’ as the answer and if no such word can be made, give ‘X’ as the answer.
  1. A
    T
  2. B
    L
  3. C
    E
  4. D
    Y
  5. E
    X
Question 23Single Answer
If the letters of the word HANDOVER are arranged alphabetically from left to right how many letters will remain at the same position?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. E
    More than three
Question 24Single Answer
How many such pairs of letters are there in the word EXCURSION, each of which has as many letters between them in the word as they have in the English alphabet?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. E
    More than three
Question 25Single Answer
If it is possible to make only one meaningful word with the first, the second, the third, the sixth and the eighth letters of the word DEVIATION first letter of that word is your answer? If more than one such word can be made formed your answer is ‘A’  and if no such word can be formed your answer is ‘B’.
  1. A
    V
  2. B
    T
  3. C
    E
  4. D
    A
  5. E
    B
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 ?
  1. A
    X
  2. B
    W
  3. C
    I
  4. 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?
  1. A
    SUM
  2. B
    BIG
  3. C
    Both BIG and THE
  4. D
    FOR
  5. 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 ?
  1. A
    AND
  2. B
    FOR
  3. C
    THE
  4. D
    BIG
  5. 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 ?
  1. A
    None
  2. B
    One
  3. C
    Two
  4. D
    Three
  5. 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?
  1. A
    Two
  2. B
    Five
  3. C
    Six
  4. D
    Nine
  5. E
    Three

Concerned Discipline (Mechanical)

Question 31Single Answer
If a submerged body displaced from its equilibrium position, returns to its original position, it is called __________.
  1. A
    thermal equilibrium
  2. B
    neutral equilibrium
  3. C
    unstable equilibrium
  4. D
    stable equilibrium
Question 32Single Answer
In a flow measurement, a venturi meter is preferred over an orifice plate because _____.
  1. A
    energy of head loss is less
  2. B
    It is cheaper
  3. C
    pressure drop is more
  4. D
    space is limited  
Question 33Single Answer
Pitot tube measures ______.
  1. A
    dynamic pressure of a moving stream
  2. B
    guage pressure
  3. C
    temperature of moving water
  4. D
    pressure difference between two fluids
Question 34Single Answer
Which of the following is not a property of an ideal fluid ?
  1. A
    flow is irrotational
  2. B
    it has no viscosity
  3. C
    it has viscosity
  4. D
    it is incompressible
Question 35Single Answer
Nozzle used in steam turbines convert ________.
  1. A
    enthalpy of steam into work
  2. B
    enthalpy of steam into kinetic energy
  3. C
    enthalpy of steam into pressure energy
  4. D
    pressure energy into work
Question 36Single Answer
Which of the following assumptions is the most relevant in air-standard cycle analysis ?
  1. A
    All the processes within the cycle are irreversible
  2. B
    Working fluid is a fixed mass
  3. C
    Specific heat of air changes during the cycle
  4. D
    Cycle is assumed to be an open cycle
Question 37Single Answer
The modern Francis turbine is a ___________flow turbine .
  1. A
    tangential 
  2. B
    axial
  3. C
    radial
  4. D
    mixed
Question 38Single Answer
Variation of stress with strain rate for a Newtonian fluid is ______ .
  1. A
    hyperbolic
  2. B
    linear
  3. C
    elliptical
  4. D
    parabolic
Question 39Single Answer
Which of the following is NOT a part of refrigeration systems ?
  1. A
    Turbine
  2. B
    Evaporator
  3. C
    Compressor
  4. D
    Condenser
Question 40Single Answer
Which of the following is NOT an intensive property ?
  1. A
    Temperature
  2. B
    Total volume
  3. C
    Pressure
  4. D
    Density
Question 41Single Answer
Which of the following does NOT represent a unit of viscosity ?
  1. A
    Stoke
  2. B
    Poise
  3. C
    m²/sec
  4. D
    N-m/sec
Question 42Single Answer
__________ in the fuel is oxidised during knocking .
  1. A
    Hydrocarbon
  2. B
    Phosphorous
  3. C
    Water
  4. D
    Coal
Question 43Single Answer
_________ is defined as the ability of a material to resist deformation under action of an external load .
  1. A
    Stiffness
  2. B
    Resilience
  3. C
    Brittleness
  4. D
    Toughness
Question 44Single Answer
Draught is produced in locomotive boilers by which of the following components ?
  1. A
    Locomotive
  2. B
    Steam jet
  3. C
    Centrifugal fan
  4. D
    Chimney
Question 45Single Answer
For a steady flow, the value of all fluid properties at any fixed point _________ .
  1. A
    do not change with location
  2. B
    change with time
  3. C
    change with location
  4. D
    do not change with time
Question 46Single Answer
For a floating body, if the metacentre is below the centre of gravity, then the body is said to be __________ equilibrium .
  1. A
    thermal 
  2. B
    stable 
  3. C
    unstable
  4. D
    neutral
Question 47Single Answer
________ is useful for measuring flow of a conducting fluid .
  1. A
    Orifice meter
  2. B
    Rotameter
  3. C
    Vane meter
  4. D
    Electro-magnetic flow meter
Question 48Single Answer
A two- stroke engine consists of ________ port (s)
  1. A
    Three
  2. B
    Four
  3. C
    One
  4. D
    Two
Question 49Single Answer
Air Cooling is mostly preferred for _________ .
  1. A
    heavy truck
  2. B
    buses
  3. C
    moto cycles
  4. D
    multi-utility vehicles
Question 50Single Answer
_______ valves are provided in reciprocating compressors .
  1. A
    Simply supported
  2. B
    Solenoid
  3. C
    Plate
  4. D
    Poppet
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