Machine Design (2171909) MCQs

MCQs of IC Engine Components

Showing 1 to 10 out of 34 Questions
1 2 3 4
1.

The compression ratio in a diesel engine is lesser than that in the spark Ignition engine.

(a)

True
(b)

No
(c)

They are equal
(d)

Doesn’t matter
Answer:

Option (b)

2.

The petrol engine is more economical than a diesel engine.

(a)

True
(b)

False
Answer:

Option (b)

3.

There are ____ types of liners.

(a)

1
(b)

2
(c)

3
(d)

4
Answer:

Option (b)

4.

Which of the following materials are used for cylinder liners?

(a)

Alloy cast iron
(b)

Grey cast iron
(c)

Alloy and grey cast iron
(d)

none of the mentioned
Answer:

Option (c)

5.

Thermal stress in cylinder liners can be reduced by _______.

(a)

increasing the wall thickness of the cylinder liner
(b)

increasing velocity of flowing water through the jacket
(c)

decreasing the wall thickness of the cylinder liner
(d)

decreasing velocity of flowing water through the jacket
Answer:

Option (b)

6.

Which stress is induced in the cylinder wall due to the side thrust of the piston?

(a)

Axial stress
(b)

Circumferential stress
(c)

Longitudinal stress
(d)

Bending stress
Answer:

Option (d)

7.

What is the function of the cylinder in an IC engine?

(a)

To retain the working fluid such as the mixture of air and petrol or air and diesel
(b)

To guide the piston
(c)

All of the mentioned
(d)

None of the mentioned
Answer:

Option (c)

8.

In-cylinder of an IC engine, there are two types of cooling systems: Air-cooling and Water-cooling.

(a)

True
(b)

False
Answer:

Option (a)

9.

Which is not the desirable properties of materials for cylinder and cylinder liners?

(a)

It should be strong enough to withstand high gas pressure during the combustion of fuel.
(b)

It should be strong enough to withstand thermal stresses due to heat transfer through the cylinder wall.
(c)

It should be hard enough to resist wear due to piston movement
(d)

It should not be corrosion resistant
Answer:

Option (d)

10.

In-cylinder of an IC engine, there are two types of cylinder liners: dry liner and wet liner.

(a)

Correct
(b)

Incorrect
Answer:

Option (a)

Showing 1 to 10 out of 34 Questions
1 2 3 4