Question for IOCL Junior Engineering Assistant 2026 - Quiz / Questions / MCQ

Objective Questions

Latest IOCL JEA Exam Question (Objective Questions), MCQ in English

Subjects : Numerical Ability, Numerical AbilityNumerical Ability, General Awareness, Mechanical

Question Bank IOCL JEA Exam (Mechanical) - English

Numerical AbilityNumerical Ability

Question 1Single 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 2Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 3Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 4Single 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 5Single Answer

What is (3^{^}{4} times 9^{^}{2}) ?

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

Question 6Single Answer

If 3⁴X^-2 = 729, then find the value of X.

Question 7Single Answer

Convert 0.6 into fraction ?

A
3/5
B
2/3
C
4/5

Numerical Ability

Question 8Single Answer

Passage :

Direction : Each of the questions below consists of a question and two statements numbered (I) and (II) given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer :

How many employees of bank ‘X’ opted for VRS ?
(I) 18% of the 950 officer cadre employees and 6% of the 1100 of all other cadre employees opted for VRS.
(II) 28% of the employees in the age group of 51 to 56 and 17% of the employees in all other age groups opted for VRS.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 9Single Answer

Passage :

The area of a playground is 1600 square meters. What is its perimeter ?
(I) It is a perfect square playground
(II) It costs Rs.3200 to put a fence around the playground at the rate of Rs.20 per meter.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 10Single Answer

Passage :

What is the value of m – n ÷ 37 ?
(I) m is the largest possible six-digit number and n is the smallest possible six-digit number.
(II) The difference between m and n is known.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 11Single Answer

Passage :

What is the value of x ?
(I) If 10 is added to x, the result is 34.
(II) If x is multiplied by y, the result is 38.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 12Single Answer

Passage :

What was the total compound interest on a sum after three years ?
(I) The interest after one year was Rs. 100 and the sum after was Rs.1000.
(II) The difference between simple and compound interest on a sum of Rs.1000 at the end of two years was Rs.10.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 13Single Answer

Passage :

Each of the questions below consists of a question and two statements numbered (1) and (2) given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.

Among Japanese Yen, Australian Dollar, Hong Kong Dollar and Singapore Dollar, which currency has the lowest value in terms of Indian rupees ?
(1) One rupee is equal to 2.56 Japanese Yen, 0.338 Australian Dollar, and 0.465 Hong Kong Dollar.
(2) Value of Australian Dollar is equal to Singapore Dollar.

A
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B
Statement (2) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
Statements (1) and (2) TOGETHER are NOT sufficient

Question 14Single Answer

Passage :

What is the value of a two-digit number ?
(1) The sum of the two digits is 4.
(2) The difference between the two digits is 2.

A
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B
Statement (2) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
Statements (1) and (2) TOGETHER are NOT sufficient

Question 15Single Answer

Passage :

What was the population of State ‘A’ in 1999 ?
(1) Population of the State increases every year by 20% and its population in 1997 was 1,20,000.
(2) Population of State A in 1997 was twice that of State B in the same year.

A
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B
Statement (2) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
Statements (1) and (2) TOGETHER are NOT sufficient

General Awareness

Question 16Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 17Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 18Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 19Single Answer

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

A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan

Question 20Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 21Single Answer

Who is known as the "Father of the Indian Renaissance" ?

A
Raja Ram Mohan Roy
B
Swami Vivekananda
C
Rabindranath Tagore
D
Mahatma Gandhi

Question 22Single Answer

Who is known as the "Missile Man of India"?

A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan

Question 23Single Answer

Which summit on Artificial Intelligence was hosted by India in February 2026?

A
World AI Congress
B
AI Action Summit
C
India AI Impact Summit 2026
D
Global AI Forum

Question 24Single Answer

Where was the India AI Impact Summit 2026 organized?

A
Pragati Maidan, Delhi
B
Vigyan Bhawan, New Delhi
C
Bharat Mandapam, New Delhi
D
Hyderabad International Convention Centre

Question 25Single Answer

Which ministry organized the India AI Impact Summit 2026?

A
Ministry of Science and Technology
B
Ministry of Electronics and Information Technology
C
Ministry of Commerce
D
Ministry of Education

Mechanical

Question 26Single Answer

Which of the following is the unit of kinematic viscosity _________________?

A
Pascal
B
Poise
C
Stoke
D
Faraday
E
None of the above

Question 27Single Answer

Consider the following processes:
1. Extension of a spring
2. Plastic deformation of a material
3. Magnetization of a material exhibiting hysteresis
Which of the above process are irreversible?

A
1 and 2 only
B
1 and 3 only
C
1 only
D
1, 2 and 3

Question 28Single Answer

Which of the following statements are correct for a throttling process?
1. It is an adiabatic steady flow process
2. The enthalpy before and after throttling is same
3. In the processes, due to fall in pressure, the fluid velocity at outlet is always more than inlet velocity

A
1 and 2 only
B
1 and 3 only
C
2 and 3 only
D
1, 2 and 3

Question 29Single Answer

A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is

A
10 kW
B
20 kW
C
30 kW
D
50 kW

Question 30Single Answer

A heat engine receives heat at the rate of 2500 kJ/min and gives an output of 12.4 kW. Its thermal efficiency is, nearly

A
18%
B
23%
C
26%
D
30%

Question 31Single Answer

One reversible heat engine operates between 1000 K and T₂ K and another reversible heat engine operates between T₂K and 400 K. If both the engines have the same heat input and output, then the temperature T₂must be equal to

A
582.7 K
B
632.5 K
C
682.8 K
D
732.5 K

Question 32Single Answer

Consider the following statements for isothermal process:
1. Change in internal energy is zero
2. Heat transfer is zero
Which of the above statements is/are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2

Question 33Single Answer

A system of 100 kg mass undergoes a process in which its specific entropy increases from 0.3 kJ/kg K to 0.4 kJ/kg K. At the same time, the entropy of the surroundings decreases from 80 kJ/K to 75 kJ/K. The process is:

A
Reversible and isothermal
B
Irreversible
C
Reversible only
D
Isothermal only

Question 34Single Answer

Which one of the following statements is correct during adiabatic charging of an ideal gas into an empty cylinder from a supply main?

A
The specific enthalpy of the gas in the supply main is equal to the specific enthalpy of the gas in the cylinder
B
The specific enthalpy of the gas in the supply main is equal to the specific internal energy of the gas in the cylinder
C
The specific internal energy of the gas in the supply main is equal to the specific enthalpy of the gas in the cylinder
D
The specific internal energy of the gas in the supply main is equal to the specific internal energy of the gas in the cylinder

Question 35Single Answer

Consider the following systems :
1. An electric heater
2. A gas turbine
3. A reciprocating compressor
The steady flow energy equation can be applied to which of the above systems?

A
1 and 2 only
B
1 and 3 only
C
1, 2 and 3
D
2 and 3 only

Question 36Single Answer

Consider the following motions :
1. Piston reciprocating inside an engine cylinder
2. Motion of a shaft between foot-step bearings
Which of the above can rightly be considered as successfully constrained motion?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2

Question 37Single Answer

A rotor weighing 2 kN is supported on bearings A and B which are 1 m apart. The centre of mass of the rotor is at a distance 0.4 m from bearing A. It is observed that there is an unbalanced couple of magnitude 300 N-m which leaves the shaft balanced statically.The dynamic reactions at the supports will be

A
800 N and 800 N
B
300 N and 800 N
C
800 N and – 300 N
D
300 N and – 300 N

Question 38Single Answer

A cam is a mechanical member used to impart a desired motion to a follower by direct contact. Which one of the under-listed follower motion types will produce the least jerk to the system?

A
Simple harmonic
B
Constant acceleration and deceleration
C
Constant velocity
D
Cycloidal

Question 39Single Answer

In a circular are cam with a roller follower, acceleration of the follower depends on
1. cam speed and location of centre of circular arc
2. roller diameter and radius of circular arc
Which of the above is/are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2

Question 40Single Answer

A manufacturing company is selling a product for 15 per unit with variable cost of 10 per unit. The fixed cost of the asset is 50,000. How many units should be produced to breakeven?

A
2000
B
5000
C
8000
D
10000

Question 41Single Answer

Hot wire anemometer is used to measure_______________?

A
discharge
B
velocity of gas
C
pressure intensity of gas
D
pressure intensity of liquid

Question 42Single Answer

A gear of 28 cm pitch circle diameter has 40 teeth. The circular pitch will nearly be

A
11 mm/tooth
B
22 mm/tooth
C
33 mm/tooth
D
44 mm/tooth

Question 43Single Answer

Consider the following statements regarding gear tooth designing for gear drive :
1. Tooth profiles not designed as per ‘law of gearing’ will cause vibration and impact problems even at low speed.
2. As the gears go through their mesh, the pitch point must remain stationary on the line of centres.
3. In a correctly designed tooth profile, the line of action of successive instantaneous points of contact will pass through the stationary pitch point.
Which of the above statements are correct?

A
1, 2 and 3
B
1 and 2 only
C
1 and 3 only
D
2 and 3 only

Question 44Single Answer

The flywheel of a steam engine has a radius of gyration of 1 m and mass 2000 kg. The starting torque of the engine is 2000 N-m. The kinetic energy of the flywheel after 10 seconds from start is

A
75 kN-m
B
100 kN-m
C
125 kN-m
D
150 kN-m

Question 45Single Answer

Consider two shafts connected with two gears as per the following options :
1. One on each shaft.
2. Through an intermediate gear mounted on an intermediate shaft, and every shaft having one gear only.
3. Through an intermediate gear mounted on an intermediate shaft having two gears, whereas the other shafts have one gear each
Which of the above represent(s) a simple gear train?

A
1 only
B
1 and 2 only
C
2 and 3 only
D
1, 2 and 3

Question 46Single Answer

A spherical waterdrop of 1 mm in diameter splits up in air into 64 smaller drops of equal size. The surface tension coefficient of water in air is 0.073 N/m. The work required in splitting up the drop is

A
0.96 × 10^–6 J
B
0.69 × 10^–6 J
C
0.32 × 10^–6 J
D
0.23 × 10^–6 J

Question 47Single Answer

Consider the following statements pertaining to stability of floating bodies:
1. A floating body will be stable when the centre of gravity is above the centre of buoyancy.
2. The position of metacentres corresponding to different axes of rotation are generally different for the same floating object.
3. For cargo ships, the metacentric height varies with loading.
Which of the above statements are correct?

A
1, 2 and 3
B
1 and 2 only
C
1 and 3 only
D
2 and 3 only

Question 48Single Answer

Water is coming out from a tap and falls vertically downwards. At the tap opening, the stream diameter is 20 mm with uniform velocity of 2 m/s. Assuming steady inviscid flow, constant pressure atmosphere everywhere, and neglecting curvature and surface tension effects, the diameter of the stream 0.5 m below the tap opening is nearly

A
11.7 mm
B
14.6 mm
C
17.5 mm
D
20.4 mm

Question 49Single Answer

Consider the following statements:
1. At low Reynolds numbers of any flow, viscous forces dominate over inertial forces.
2. Transition from laminar to turbulent flow occurs over a range of Reynolds numbers depending on the surface presented to the flow.
Which of the above statements is/are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2

Question 50Single Answer

In a steady laminar flow of a given discharge through a circular pipe of diameter D, the head loss is proportional to

A
D^–1
B
D^–2
C
D^–3
D
D^–4

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Mechanical

Question 51Single Answer

The centre-line velocity in a pipe flow is 2m/s. What is the average flow velocity in the pipe if the Reynolds number of the flow is 800?

A
2 m/s
B
1.5 m/s
C
1 m/s
D
0.5 m/s

Question 52Single Answer

During a constant pressure expansion of a gas, 33.3% heat is converted into work while the temperature rises by 20 K. The specific heat of the gas at constant pressure as a proportion of work, W is

A
8%
B
10%
C
12%
D
15%

Question 53Single Answer

A
reversible and isothermal
B
irreversible
C
reversible only
D
isothermal only

Question 54Single Answer

A reversible heat engine rejects 80% of the heat supplied during a cycle of operation. If the engine is reversed and operates as a refrigerator, then its coefficient of performance shall be

Question 55Single Answer

For the same efficiency of the Brayton cycle and the Carnot cycle working between temperature limits of T_max and T_min, the power contribution of the Brayton cycle will be

A
zero
B
maximum
C
minimum
D
50% of the Carnot cycle

Question 56Single Answer

A fin will be more effective when Bio number is

A
Greater than 1
B
Equal to 1
C
Between 1 and 3
4 4
D
Less than 1

Question 57Single Answer

A tank of length, breadth and height in the ratio of 2:1:2 is full of water. The ratio of hydrostatic force at the bottom to that at any larger vertical surface is

Question 58Single Answer

Which of the following fluids exhibit a certain shear stress at zero shear strain rate followed by a straight line relationship between shear stress and shear strain rate?

A
Newtonian fluid
B
Ideal Bingham plastic fluids
C
Pseudo-plastic fluids
D
Dilatent fluids

Question 59Single Answer

What is the specific gravity of a marble stone, which weighs 400N in air, and 200N in water? (g=10m/s²)

Question 60Single Answer

What is the intensity of pressure in the following SI units, when specific gravity of mercury is 13.6 and the intensity of pressure is 400KPa ?

A
0.3 bar or 4.077m of water or 0.29 mm of Hg
B
4 bar or 5.077m of water or 0.399 mm of Hg
C
0.3 bar or 5.077m of water or 0.599 mm of Hg
D
4 bar or 4.077m of water or 0.299 mm of Hg

Question 61Single Answer

Consider the following statements:
1.If a small upward displacement is given to a floating body, it results in the reduction of the buoyant force acting on the body
2.A slight horizontal displacement does not change either the magnitude or the location of the buoyant force
Which of the above statements is/are correct?

A
Both 1 and 2
B
1 only
C
2 only
D
Neither 1 nor 2

Question 62Single Answer

State whether following flow field is physically possible?

A
Possible for steady, incompressible flow
B
Possible for unsteady, incompressible flow
C
Possible for steady, compressible flow
D
Not Possible

Question 63Single Answer

In a differential manometer, a head of 0.5 m of fluid A in limb 1 is found to balance a head of 0.3 m of fluid B in limb 2. The atmospheric pressure is 760 mm of mercury. The ratio of specific gravities of A to B is

A
0.25
B
0.26
C
2
D
4

Question 64Single Answer

A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is

A
10 kW
B
20 kW
C
30 kW
D
50 kW

Question 65Single Answer

On which of the following just in time manufacturing philosophy emphasizes ?

A
man power
B
profit
C
inventory
D
manufacturing

Question 66Single Answer

If a submerged body displaced from its equilibrium position, returns to its original position, it is called __________.

A
thermal equilibrium
B
neutral equilibrium
C
unstable equilibrium
D
stable equilibrium

Question 67Single Answer

In a flow measurement, a venturi meter is preferred over an orifice plate because _____.

A
energy of head loss is less
B
It is cheaper
C
pressure drop is more
D
space is limited

Question 68Single Answer

Pitot tube measures ______.

A
dynamic pressure of a moving stream
B
guage pressure
C
temperature of moving water
D
pressure difference between two fluids

Question 69Single Answer

Which of the following is not a property of an ideal fluid ?

A
flow is irrotational
B
it has no viscosity
C
it has viscosity
D
it is incompressible

Question 70Single Answer

Nozzle used in steam turbines convert ________.

A
enthalpy of steam into work
B
enthalpy of steam into kinetic energy
C
enthalpy of steam into pressure energy
D
pressure energy into work

Question 71Single Answer

Which of the following assumptions is the most relevant in air-standard cycle analysis ?

A
All the processes within the cycle are irreversible
B
Working fluid is a fixed mass
C
Specific heat of air changes during the cycle
D
Cycle is assumed to be an open cycle

Question 72Single Answer

The modern Francis turbine is a ___________flow turbine .

A
tangential
B
axial
C
radial
D
mixed

Question 73Single Answer

Variation of stress with strain rate for a Newtonian fluid is ______ .

A
hyperbolic
B
linear
C
elliptical
D
parabolic

Question 74Single Answer

Which of the following is NOT a part of refrigeration systems ?

A
Turbine
B
Evaporator
C
Compressor
D
Condenser

Question 75Single Answer

Which of the following is NOT an intensive property ?

A
Temperature
B
Total volume
C
Pressure
D
Density

Question 76Single Answer

Which of the following does NOT represent a unit of viscosity ?

A
Stoke
B
Poise
C
m²/sec
D
N-m/sec

Question 77Single Answer

__________ in the fuel is oxidised during knocking .

A
Hydrocarbon
B
Phosphorous
C
Water
D
Coal

Question 78Single Answer

_________ is defined as the ability of a material to resist deformation under action of an external load .

A
Stiffness
B
Resilience
C
Brittleness
D
Toughness

Question 79Single Answer

Draught is produced in locomotive boilers by which of the following components ?

A
Locomotive
B
Steam jet
C
Centrifugal fan
D
Chimney

Question 80Single Answer

For a steady flow, the value of all fluid properties at any fixed point _________ .

A
do not change with location
B
change with time
C
change with location
D
do not change with time

Question 81Single Answer

For a floating body, if the metacentre is below the centre of gravity, then the body is said to be __________ equilibrium .

A
thermal
B
stable
C
unstable
D
neutral

Question 82Single Answer

________ is useful for measuring flow of a conducting fluid .

A
Orifice meter
B
Rotameter
C
Vane meter
D
Electro-magnetic flow meter

Question 83Single Answer

A two- stroke engine consists of ________ port (s)

A
Three
B
Four
C
One
D
Two

Question 84Single Answer

Air Cooling is mostly preferred for _________ .

A
heavy truck
B
buses
C
moto cycles
D
multi-utility vehicles

Question 85Single Answer

_______ valves are provided in reciprocating compressors .

A
Simply supported
B
Solenoid
C
Plate
D
Poppet

Question 86Single Answer

Benson boiler have ______ water drum (s)

A
One
B
Zero
C
Three
D
Two

Question 87Single Answer

_________ is used for pumping water into a boilers .

A
Economiser
B
Duplex pump
C
Feed pump
D
Rotor

Question 88Single Answer

The function of a carburetor in internal combustion engines is :

A
to control fuel alone
B
to cool exhaust gases
C
to maintain air-fuel ratio
D
to control air alone

Question 89Single Answer

The device which transfers energy from the ______ to _____ the is known as hydraulic turbine .

A
atmosphere; fluid
B
rotor; fluid
C
fluid; rotor
D
fluid; atmosphere

Question 90Single Answer

The flash chamber in the single stage VCR cycle serves to ________ .

A
decrease the compression ratio
B
increase the refrigerating effect
C
increase the compression ratio
D
decrease the refrigerating effect

Question 91Single Answer

Define thermodynamics .

A
It is a science which deals with the relation between heat, work and properties of systems
B
It is a science which deals with work done
C
It deals with dynamics under thermal conditions
D
It is science which deals with the relation between work and properties

Question 92Single Answer

Which of the following statements is correct about a Benson boiler ?

A
Air is sent through the same direction
B
There is no recirculation of water
C
Steam is sent out in multiple directions
D
Flue gases pass only in one direction

Question 93Single Answer

Within a refrigeration system, the expansion valve is incorporated between the ________ .

A
Super-heater and sub-cooler
B
compressor and condenser
C
evaporator and compressor
D
condenser and evaporator

Question 94Single Answer

The reversed ______ cycle employed for passenger aircraft systems .

A
Carnot
B
Atkinson
C
Ericsson
D
Brayton

Question 95Single Answer

Fusible plug in a steam boiler is placed ______ .

A
below the water level indicator
B
at he crown of the furnace
C
at the fire grate of the boiler
D
near the manhole

Question 96Single Answer

Aqua ammonia solution used in a vapour absorption refrigeration system is a solution of ammonia in ________ .

A
CF₃
B
LiBr
C
H₂O₂
D
H₂O

Question 97Single Answer

Coated electrodes are used in ______ .

A
gas tungsten arc welding
B
submerged arc welding
C
tungsten insert gas welding
D
shielded metal arc welding

Question 98Single Answer

Where is air cycle refrigeration commonly used ?

A
Domestic refrigerator
B
Cold storage
C
Aircraft conditioning
D
Car air conditioning

Question 99Single Answer

________, is not a water tube boiler .

A
Benson boiler
B
Babcock-Wilcox boiler
C
Stirling boiler
D
Scotch marine

Question 100Single Answer

Stoke is another unit of -

A
kinematic viscosityy
B
velocity gradient
C
Shear stress
D
dynamic viscosit

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