Machine Design (2171909) MCQs

MCQs of IC Engine Components

Showing 21 to 30 out of 34 Questions
1 2 3 4
21.

The connecting rod transmits the reciprocating motion of the piston to the rotary motion of the crankshaft.

(a)

True
(b)

False
Answer:

Option (a)

22.

The connecting rods in high-speed engines have

(a)

circular section
(b)

box section
(c)

I-section
(d)

C-section
Answer:

Option (c)

23.

The connecting rod is designed as a

(a)

Beam
(b)

Column
(c)

Shaft
(d)

Lever
Answer:

Option (b)

24.

Which is not a portion of the crankshaft?

(a)

Flange
(b)

Crankpin
(c)

Crankweb
(d)

Shaft
Answer:

Option (a)

25.

Which type of crankshaft is used in medium-size engines and large-size horizontal engines?

(a)

Corner crankshaft
(b)

Side crankshaft
(c)

Angular crankshaft
(d)

Centre crankshaft
Answer:

Option (b)

26.

Which type of the crankshaft is used in radial aircraft engines, stationary engines, and marine engines?

(a)

Corner crankshaft
(b)

Side crankshaft
(c)

Angular crankshaft
(d)

Centre crankshaft
Answer:

Option (d)

27.

The center crankshaft has two webs and three bearings for support.

(a)

True
(b)

False
Answer:

Option (a)

28.

Crankshafts having one crank pin are called ____________.

(a)

single-throw crankshafts
(b)

two-throw crankshaft
(c)

three-throw crankshaft
(d)

four-throw crankshaft
Answer:

Option (a)

29.

A crankshaft should have sufficient strength to withstand the

(a)

bending moments
(b)

twisting moments
(c)

bending and twisting moments
(d)

none of the mentioned
Answer:

Option (c)

30.

The crankshaft is made by which process?

(a)

Welding
(b)

Riveting
(c)

Bolting
(d)

Drop forging 
Answer:

Option (d)

Showing 21 to 30 out of 34 Questions
1 2 3 4