Machine Design (2171909) MCQs

MCQs of Rolling Contact Bearings

Showing 11 to 20 out of 64 Questions
1 2 3 4 5 6
11.

Antifriction bearings are

(a)

thick lubricated bearings
(b)

plastic bearings
(c)

ball and roller bearings
(d)

thin lubricated bearings
Answer:

Option (c)

12.

Different types of bearings are designed to operate at different operating speeds. Speed is specified as the maximum

(a)

rpm
(b)

metres/second
(c)

metres/minute
(d)

metres/hour
Answer:

Option (b)

13.

Deep groove ball bearings create a lot of noise.

(a)

Yes
(b)

Depends on the application
(c)

They create very less noise
(d)

No reference frame for comparison is mentioned
Answer:

Option (c)

14.

There is a problem of alignment in deep groove ball bearings.

(a)

Yes
(b)

No, it is self-aligning
(c)

It aligns itself only in some particular cases
(d)

Can’t be determined
Answer:

Option (a)

15.

The deep groove ball bearing has immense rigidity.

(a)

True
(b)

No, it has point contact and hence low rigidity
(c)

It has surface contact
(d)

It has line contact
Answer:

Option (b)

16.

Deep groove ball bearings are used for

(a)

heavy thrust load only
(b)

the small angular displacement of shafts
(c)

radial load at high speed
(d)

combined thrust and radial loads at high speed
Answer:

Option (d)

17.

Cylindrical roller bearing has a lower load capacity as compared to deep groove ball bearing.

(a)

True
(b)

False
Answer:

Option (b)

18.

Angular contact bearing can take thrust as well as radial loads.

(a)

True
(b)

False
Answer:

Option (a)

19.

In angular contact bearings, ____ bearings are required to take thrust load in both directions.

(a)

1
(b)

2
(c)

3
(d)

4
Answer:

Option (b)

20.

In standard taper roller bearings, the angle of taper of the outer raceway is

(a)

5°
(b)

8°
(c)

15°
(d)

25°
Answer:

Option (d)

Showing 11 to 20 out of 64 Questions
1 2 3 4 5 6