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Machine Design

Machine Design
The number of slots in a 25 mm castle nut is

6
4
2
8

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Machine Design
The taper on cotter varies from

1 in 32 to 1 in 24
1 in 24 to 1 in 20
1 in 15 to 1 in 10
1 in 48 to 1 in 24

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Machine Design
For low and moderate speed engines, the cam follower should move with

Uniform acceleration and retardation
Uniform velocity
Simple harmonic motion
Cycloidal motion

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Machine Design
If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to

0.5
0.6
0.2
0.25

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Machine Design
The material used for brake lining should have __________ coefficient of friction.

Low
High
Moderate
None of these

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Machine Design
Which of the following is an anti-friction bearing?

Journal bearing
Needle bearing
Pedestal bearing
Collar bearing

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