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Machine Design

Machine Design
A locking device extensively used in automobile industry is a

Castle nut
Sawn nut
Ring nut
Jam nut

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Machine Design
When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is

0.65
0.5
0.2
0.35

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Machine Design
The lead angle of a worm is 22.5°. Its helix angle will be

67.5°
22.5°
45°
90°

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Machine Design
According to Indian standards, total numbers of fundamental deviations are

15
10
25
20

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Machine Design
The ratio of endurance limit in shear to the endurance limit in flexure is

0.33
0.4
0.55
0.5

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Machine Design
The cam follower generally used in automobile engines is

Roller follower
Spherical faced follower
Flat faced follower
Knife edge follower

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MORE MCQ ON Machine Design

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