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Machine Design

Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

1 to 2
5 to 10
0.5 to 1
3 to 5

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Machine Design
Rankine's theory of failure is applicable for following type of materials

Brittle
Elastic
Ductile
Plastic

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

More
Less
Same
None of these

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Machine Design
A leaf spring in automobiles is used

To store strain energy
To absorb shocks
To apply forces
To measure forces

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Machine Design
The crest diameter of a screw thread is same as

Core diameter
Major diameter
Pitch diameter
Minor diameter

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Machine Design
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be

3 times more
2 times more
Same in both cases
4 times more

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