Machine Design (2171909) MCQs

MCQs of IC Engine Components

Showing 11 to 20 out of 34 Questions
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11.

A wet liner is a cylinder liner which does not have any direct contact with cooling water in the jacket.

(a)

True
(b)

False
Answer:

Option (b)

12.

Which of the following materials are used for cylinder liners?

(a)

Cast iron
(b)

Cast steel
(c)

Cast aluminum alloys
(d)

All of the mentioned
Answer:

Option (d)

13.

The circumferential hoop stress and longitudinal stress are both shear stress.

(a)

True
(b)

False
Answer:

Option (b)

14.

The circumferential hoop stress and longitudinal stress act in the same direction and hence are straight away added.

(a)

True
(b)

False
Answer:

Option (b)

15.

______ is a reciprocating part of an IC engine.

(a)

Piston
(b)

Cylinder
(c)

Connecting rod
(d)

Crankshaft
Answer:

Option (a)

16.

Which is the function of the piston?

(a)

It compresses the gas during the compression stroke
(b)

It seals the inside portion of the cylinder from the crankcase by means of piston rings
(c)

It takes the side thrust resulting from the obliquity of the connecting rod
(d)

All of the mentioned
Answer:

Option (d)

17.

Oil scraper rings act as seal and prevents the leakage of gas from the piston.

(a)

True
(b)

False
Answer:

Option (b)

18.

What is the function of a gudgeon pin?

(a)

Acts as stiffeners
(b)

Supports piston head
(c)

Connects piston to connecting rod
(d)

All of the mentioned
Answer:

Option (c)

19.

Which of the following parts of the piston act as bearing for connecting rod side thrust? 

(a)

Reinforcing ribs
(b)

Piston barrel
(c)

Piston gudgeon
(d)

Piston skirt
Answer:

Option (d)

20.

Engine pistons are usually made of aluminium alloy because it

(a)

is lighter
(b)

wear is less
(c)

absorbs shocks
(d)

is stronger
Answer:

Option (a)

Showing 11 to 20 out of 34 Questions
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