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Question Bank

HURL Junior Engineer Assistant (Chemical) Exam - English

Duration: 120 · Questions: 80 · Max Marks: 80 · Language: 3

View HURL Junior Engineer Assistant (Chemical) 2026 Exam Page

Respective Discipline (Chemical Engineering)

1
The equilibrium constant (K) for a reaction is related to the Gibbs free energy change (ΔG) by:
  1. A.ΔG = -RT ln(K)
  2. B.ΔG = RT ln(K)
  3. C.ΔG = -RT/ln(K)
  4. D.ΔG = RT/ln(K)
2
The first law of thermodynamics states that:
  1. A.Entropy of an isolated system always increases
  2. B.Energy can neither be created nor destroyed
  3. C.Enthalpy remains constant in an adiabatic process
  4. D.Heat transfer is irreversible
3
Which thermodynamic property is a measure of the disorder of a system?
  1. A.Enthalpy
  2. B.Gibbs free energy
  3. C.Entropy
  4. D.Internal energy
4
The Gibbs phase rule is used to determine:
  1. A.The rate of a chemical reaction
  2. B.The number of degrees of freedom in a system
  3. C.The heat transfer coefficient
  4. D.The mass transfer rate
5
What is the term for a system in which there is no transfer of heat with the surroundings?
  1. A.Isothermal
  2. B.Isobaric
  3. C.Adiabatic
  4. D.Isochoric
6
The Clapeyron equation is used to calculate:
  1. A.Vapor pressure as a function of temperature
  2. B.Heat capacity
  3. C.Reaction rate
  4. D.Mass transfer coefficient
7
Fugacity is a measure of:
  1. A.The ideal gas pressure
  2. B.The "escaping tendency" of a substance from a phase
  3. C.The reaction rate
  4. D.The heat transfer rate
8
The rate of a homogeneous reaction is usually expressed as a function of:
  1. A.Temperature and pressure only
  2. B.Temperature and concentration
  3. C.Pressure and flow rate
  4. D.Flow rate and volume
9
A batch reactor is characterized by:
  1. A.Continuous flow of reactants and products
  2. B.No flow of reactants or products during the reaction
  3. C.Constant volume and temperature
  4. D.Constant pressure and temperature
10
A continuous stirred-tank reactor (CSTR) is assumed to be:
  1. A.Plug flow
  2. B.Perfectly mixed
  3. C.Laminar flow
  4. D.Turbulent flow
11
The space time in a plug flow reactor (PFR) is equal to:
  1. A.The residence time
  2. B.The reaction rate
  3. C.The heat transfer rate
  4. D.The mass transfer rate
12
Catalysts increase the rate of a reaction by:
  1. A.Increasing the temperature
  2. B.Lowering the activation energy
  3. C.Increasing the pressure
  4. D.Changing the equilibrium constant
13
What type of reactor is used for heterogeneous catalytic reactions where a solid catalyst is fluidized by the reacting fluid?
  1. A.Batch reactor
  2. B.CSTR
  3. C.Fluidized bed reactor
  4. D.Packed bed reactor
14
The Arrhenius equation describes the temperature dependence of:
  1. A.Reaction rate constant
  2. B.Heat transfer coefficient
  3. C.Mass transfer coefficient
  4. D.Equilibrium constant
15
Distillation is used to separate components based on differences in:
  1. A.Density
  2. B.Boiling points
  3. C.Viscosity
  4. D.Particle size
16
Absorption is a mass transfer operation in which a gas is dissolved in a:
  1. A.Solid
  2. B.Liquid
  3. C.Another gas
  4. D.Vacuum
17
Extraction is a separation process based on differences in:
  1. A.Solubility
  2. B.Density
  3. C.Boiling point
  4. D.Viscosity
18
Drying involves the removal of:
  1. A.Solutes from a solution
  2. B.Moisture from a solid
  3. C.Gases from a mixture
  4. D.Heat from a system
19
Reverse osmosis is an example of a:
  1. A.Distillation process
  2. B.Absorption process
  3. C.Membrane separation process
  4. D.Drying process
20
The Fick's law describes:
  1. A.Heat conduction
  2. B.Mass diffusion
  3. C.Fluid flow
  4. D.Chemical reaction rates
21
The overall mass transfer coefficient is influenced by:
  1. A.Liquid-phase resistance only
  2. B.Gas-phase resistance only
  3. C.Both liquid-phase and gas-phase resistances
  4. D.Neither liquid nor gas phase resistances
22
Conduction is the transfer of heat through:
  1. A.Fluid motion
  2. B.Electromagnetic waves
  3. C.Molecular vibrations
  4. D.Phase change
23
Convection involves heat transfer by:
  1. A.Electromagnetic waves
  2. B.Fluid motion
  3. C.Molecular vibrations
  4. D.Phase change
24
Radiation is heat transfer by:
  1. A.Fluid motion
  2. B.Electromagnetic waves
  3. C.Molecular vibrations
  4. D.Phase change
25
A heat exchanger is used to:
  1. A.Increase reaction rate
  2. B.Transfer heat between two fluids
  3. C.Separate components
  4. D.Dry solids
26
What is the term for heat transfer in a fluid due to bulk movement of the fluid?
  1. A.Conduction
  2. B.Convection
  3. C.Radiation
  4. D.Evaporation
27
The Fourier's law describes:
  1. A.Heat conduction
  2. B.Mass diffusion
  3. C.Fluid flow
  4. D.Chemical reaction rates
28
The Stefan-Boltzmann law describes:
  1. A.Heat conduction
  2. B.Heat radiation
  3. C.Heat convection
  4. D.Heat transfer in heat exchangers
29
The Nusselt number is a dimensionless number used in:
  1. A.Mass transfer
  2. B.Heat transfer
  3. C.Reaction kinetics
  4. D.Thermodynamics
30
What type of heat exchanger consists of concentric pipes?
  1. A.Shell and tube
  2. B.Double pipe
  3. C.Plate
  4. D.Finned tube
31
The overall heat transfer coefficient in a heat exchanger is affected by:
  1. A.Fluid velocities and thermal conductivities
  2. B.Only fluid velocities
  3. C.Only thermal conductivities
  4. D.Neither fluid velocities nor thermal conductivities
32
In a counter-current heat exchanger, the fluids flow:
  1. A.In the same direction
  2. B.In opposite directions
  3. C.Perpendicular to each other
  4. D.In a circular pattern
33
The logarithmic mean temperature difference (LMTD) is used to calculate:
  1. A.Heat transfer rate
  2. B.Mass transfer rate
  3. C.Reaction rate
  4. D.Fluid flow rate
34
The Prandtl number is a dimensionless number that relates:
  1. A.Momentum diffusivity and thermal diffusivity
  2. B.Mass diffusivity and thermal diffusivity
  3. C.Momentum diffusivity and mass diffusivity
  4. D.Fluid velocity and pressure
35
Fins are used in heat exchangers to:
  1. A.Increase the heat transfer surface area
  2. B.Decrease the fluid velocity
  3. C.Increase the pressure drop
  4. D.Decrease the thermal conductivity
36
Forced convection occurs when fluid motion is caused by:
  1. A.Density differences
  2. B.External means like pumps or fans
  3. C.Molecular vibrations
  4. D.Electromagnetic waves
37
Natural convection occurs when fluid motion is caused by:
  1. A.External means like pumps or fans
  2. B.Density differences
  3. C.Molecular vibrations
  4. D.Electromagnetic waves
38
The effectiveness of a heat exchanger is defined as:
  1. A.The ratio of actual heat transfer to maximum possible heat transfer
  2. B.The ratio of fluid velocities
  3. C.The ratio of thermal conductivities
  4. D.The ratio of pressure drops
39
Scaling in heat exchangers refers to:
  1. A.The formation of deposits on heat transfer surfaces
  2. B.The increase in heat transfer rate
  3. C.The decrease in fluid velocity
  4. D.The increase in pressure drop
40
Pascal's law states that pressure applied to an enclosed fluid is:
  1. A.Diminished throughout the fluid
  2. B.Transmitted undiminished to every point in the fluid
  3. C.Increased in the direction of flow
  4. D.Decreased in the direction of flow

General Aptitude & Awareness

1
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
2
I go to Madurai by —– Vaigai Express
  1. A.a
  2. B.an
  3. C.some
  4. D.the
3
Have the car stolen!
  1. A.Steal the car
  2. B.You should have the stolen car
  3. C.Get someone to steal the car
  4. D.They have stolen the car
4
The payment was collected by the hardworking salesman.
  1. A.The hardworking salesman collected the payment.
  2. B.the salesman who worked heard was able to collect the payment.
  3. C.to collect the payment the salesman had to work hard.
  4. D.The hardworking salesman was able to collect the payment.
5
I had to stop all my work to complete this project.
  1. A.All other work had to be stopped to complete this project by me
  2. B.For completing this project all other work must be stopped
  3. C.For completing this project I had to stop all my work
  4. D.To complete this project all other work had been stopped by me
6
They have published the names of all the successful candidates.
  1. A.The candidates who have succeeded their names they had published.
  2. B.The names of all the successful candidates have been published by them
  3. C.The candidates who have succeeded their names have been published by them.
  4. D.The names of all the successful candidate were published by them. 
7
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
  1. A. presented , stay
  2. B.introduced , keep
  3. C.announce , make
  4. D.created , let
  5. E.proclaimed , hold
8
Assets
  1. A.liabilities
  2. B.responsibilities
  3. C.estates
  4. D.profits
9
Affidavit
  1. A. Affirmation
  2. B.Slander
  3. C.Oath
  4. D.Testimony
10
Hollow
  1. A.Alveolate
  2. B.Cleft
  3. C. Cavernous
  4. D.Solid
11
Cosset 
  1. A.Ignoreb
  2. B.Close
  3. C.Caress
  4. D.Fondle
12
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
13
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
14
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
15
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
16
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
17
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
18
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
19
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
20
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
21
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
22
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
23
Which of the following numbers is irrational ?
  1. A.√49
  2. B.0.125
  3. C.√2
  4. D.22/7
24
356 x 936 – 356 x 836 = ?
  1. A.35600  
  2. B.34500
  3. C.9630
  4. D.93600
25
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
26
What is (3^{4} times 9^{2}) ?
  1. A.36
  2. B.38
  3. C.310
  4. D.96
     
27
Chemistry but not in Physics.
  1. A.318
  2. B.198
  3. C.213 
  4. D.206
28
Physics or Maths but not in Chemistry.
  1. A.558   
  2. B.718
  3. C.628  
  4. D.None of these
29
What is the percentage of persons who read all the three papers ?
  1. A.20%  
  2. B.25%
  3. C.30%  
  4. D.40%
30
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
31
What is the percentage of persons who read only one paper ?
  1. A.38% 
  2. B.48%
  3. C.51%  
  4. D.None of these
32
Sattriya dance form is famous in which of these states ?
  1. A.Assam
  2. B.Himachal Pradesh
  3. C.Punjab
  4. D.Tamil Nadu
33

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

  1. A.Malik Muhammad Joyce
  2. B.Raskhan
  3. C.Rich Khusrow
  4. D.Rich Hasan
34
Which is the national game of Bhutan ?
  1. A.badminton
  2. B.basketball
  3. C.football
  4. D.archery
35
When was the Constituent Assembly of India formed?
  1. A.1946
  2. B.1947
  3. C.1948
  4. D.1950
36
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
37
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
38
Which is the longest river in India?
  1. A.Yamuna
  2. B.Ganges
  3. C.Brahmaputra
  4. D.Godavari
39
Which city hosted the launch of Capital Radio in 1973?
  1. A.Manchester
  2. B.London
  3. C.Birmingham
  4. D.Glasgow
40
The brand "Flora," introduced in 1964, is associated with which product?
  1. A.Cheese
  2. B.Margarine
  3. C.Yogurt
  4. D.Bread
Question for HURL Junior Engineer Assistant (Chemical) 2026 - Quiz / Questions / MCQ - Toppersexam