Free Printable Rolling Contact Bearing

1.

The rolling contact bearings are known as

a)

(a) thick lubricated bearings

b)

(b) plastic bearings

c)

(c) thin lubricated bearings

d)

(d) antifriction bearings

2.

The bearings of medium series have capacity .......... over the light series.

a)

(a) 10 to 20%

b)

(b) 20 to 30%

c)

(c) 30 to 40%

d)

(d) 40 to 50%

3.

The bearings of heavy series have capacity .......... over the medium series.

a)

(a) 10 to 20%

b)

(b) 20 to 30%

c)

(c) 30 to 40%

d)

(d) 40 to 50%

4.

The ball bearings are usually made from

a)

(a) low carbon steel

b)

(b) medium carbon steel

c)

(c) high speed steel

d)

(d) chrome nickel steel

5.

The tapered roller bearings can take

a)

(a) radial load only

b)

(b) axial load only

c)

(c) both radial and axial loads

d)

(d) none of the above

6.

Which of the following is antifriction bearing?

a)

(a) journal bearing

b)

(b) pedestal bearing

c)

c) collar bearing

d)

(d) needle bearing

7.

Ball and roller bearings in comparison to sliding bearings have

a)

(a) more accuracy in alignment

b)

(b) small overall dimensions

c)

(c) low starting and running friction

d)

(d) all of these

8.

A bearing is designated by the number 405. It means that a bearing is of

a)

(a) light series with bore of 5 mm

b)

(b) medium series with bore of 15 mm

c)

(c) heavy series with bore of 25 mm

d)

(d) light series with width of 20 mm

9.

The listed life of a rolling bearing, in a catalogue, is the

a)

(a) minimum expected life

b)

(b) maximum expected life

c)

(c) average life

d)

(d) none of these

Rolling Contact Bearing

Total questions: 9

Worksheet time: 27mins

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