Explore topic-wise MCQs in Machine Design.

This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.

1.

The designation ‘04B’ is as per ANSI series.

A. Yes
B. No, it is as par British standards
C. One digit is missing
D. None of the listed
Answer» C. One digit is missing
Discussion
2.

In the designation ‘04B’, pitch of the chain is?

A. 12.7mm
B. 6.35mm
C. 4mm
D. None of the mentioned
Answer» C. 4mm
Discussion
3.

In roller chains, there is sliding friction between roller and sprocket teeth.

A. True
B. False
Answer» C.
Discussion
4.

Chain drives require little or no maintenance and creates no noise.

A. True
B. False
Answer» C.
Discussion
5.

The velocity of the chain is always constant in case of chain drive.

A. Yes
B. No, it can never be constant
C. It is constant above a particular value
D. Can’t be stated
Answer» C. It is constant above a particular value
Discussion
6.

Which of the following chains are used for transmission of power, when the distance between the centres of shafts is short?

A. Chain with oval links
B. Closed joint chain
C. Detachable chain
D. Block chain
Answer» E.
Discussion
7.

Which of the following chain is used to provide elevation continuosly?

A. Conveyor chains
B. Power transmitting chains
C. Hoisting chains
D. Hauling chains
Answer» B. Power transmitting chains
Discussion
8.

Which of the following chains fall under the category of hoisting and hauling chains?

A. Chain with oval links
B. Closed joint chain
C. Detachable chain
D. Block chain
Answer» B. Closed joint chain
Discussion
9.

Pitch of the chain lies on the arc of the pitch circle.

A. True
B. False
Answer» C.
Discussion
10.

The diameter of the circle on which the hinge centres of the chain lie is known as _______

A. Pitch
B. Pitch circle diameter
C. Sprocket length
D. Sprocker diameter.
Answer» B. Pitch circle diameter
Discussion
11.

In the figure given below, what the quantity ‘p’ is known as _________

A. Pitch
B. Pitch circle diameter
C. Sprocket length
D. Sprocker diameter
Answer» B. Pitch circle diameter
Discussion
12.

The distance between hinge centres of two corresponding links is known as _______

A. Pitch
B. Pitch circle diameter
C. Sprocket length
D. Sprocker diameter
Answer» B. Pitch circle diameter
Discussion
13.

Which of the following is true regarding chain drives?

A. The chain drives may be used when the distance between the shafts is less
B. The production cost of chains is relatively low
C. The chain drive needs low maintenance
D. The chain drive has no velocity fluctuations
Answer» C. The chain drive needs low maintenance
Discussion
14.

The toothed wheels in chain drives are known as ______

A. Sprockets
B. Sprockers
C. V-belt
D. V- chain
Answer» B. Sprockers
Discussion
15.

The chains are made up of rigid links which are hinged together in order to avoid flexibility for warping around the driving and driven wheels.

A. True
B. False
Answer» C.
Discussion
16.

What is the purpose of using steel chains?

A. To avoid slipping
B. To avoid friction
C. To avoid accelerated motion
D. To avoid jerks
Answer» B. To avoid friction
Discussion
17.

CHAIN_DRIVES_REQUIRE_LITTLE_OR_NO_MAINTENANCE_AND_CREATES_NO_NOISE.?$

A. True
B. False
Answer» C.
Discussion
18.

In the designation ‘04B’, pitch of the chain is?$#

A. 12.7mm
B. 6.35mm
C. 4mm
D. None of the mentioned
Answer» C. 4mm
Discussion
19.

In_roller_chains,_there_is_sliding_friction_between_roller_and_sprocket_teeth.$

A. True
B. False
Answer» C.
Discussion
20.

Galling is a stick slip phenomenon.

A. True
B. No, it is only a stick phenomenon
C. No, it is only a slip phenomenon
D. Can’t be stated
Answer» B. No, it is only a stick phenomenon
Discussion
21.

Wear ultimately results in ride in of the chain on sprocket teeth.

A. True
B. Ride out
C. Ride up
D. Ride down
Answer» C. Ride up
Discussion
22.

The_designation_‘04B’_is_as_per_ANSI_series.$

A. Yes
B. No, it is as par British standards
C. One digit is missing
D. None of the listed
Answer» C. One digit is missing
Discussion
23.

The velocity of the chain is always constant in case of chain drive?

A. Yes
B. No, it can never be constant
C. It is constant above a particular value
D. Can’t be stated
Answer» C. It is constant above a particular value
Discussion
24.

For non-parallel shafts, chain drives are highly recommended.

A. True
B. Gear drive is preferred
C. Depends on the transmission ratio
D. Can’t be stated
Answer» C. Depends on the transmission ratio
Discussion
25.

Chain drives suffer from wear problems.

A. Yes, chain might leave the sprocket
B. No, there is no wear problem
C. Wear is insignificant in chain drives
D. None of the listed
Answer» B. No, there is no wear problem
Discussion
26.

The maximum achievable efficiency of the chain drives is about 80%.

A. It is about 50%
B. It is about 96-98%
C. It is about 75%
D. It is always <40%
Answer» C. It is about 75%
Discussion
27.

Belt drives have compact construction as compared to chain drives.

A. Yes
B. No, chain drives have compact construction
C. Both have same construction
D. Can’t be cited
Answer» C. Both have same construction
Discussion
28.

Gear drives are preferred over chain drives for long centre distances.

A. Yes
B. No, they require additional idle gears.
C. No idler gears are required
D. None of the listed
Answer» C. No idler gears are required
Discussion
29.

The chain drive is same as gear drive.

A. Yes
B. No, it is intermediate between belt and gear drive
C. It is superior to gear drive
D. It is inferior to gear drive
Answer» C. It is superior to gear drive
Discussion
30.

A chain drive consist of an endless chain wrapped around two sprockets.

A. True
B. False
Answer» B. False
Discussion