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Machine Design

Machine Design
The standard length of the shaft is

7 m
5 m
All of these
6 m

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Machine Design
A screw is said to be over hauling screw, if its efficiency is

Less than 50%
None of these
Equal to 50%
More than 50%

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Machine Design
Resilience of a material is important, when it is subjected to

Shock loading
Thermal stresses
Fatigue
Combined loading

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

45°
22.5°
90°
67.5°

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Machine Design
The included angle for the British standard whitworth thread is

55°
60°
29°
47.5°

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Machine Design
When a close coiled helical spring is compressed, its wire is subjected to

All of these
Compression
Tension
Shear

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MORE MCQ ON Machine Design

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