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Machine Design

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

Compression
Shear
Tension
All of these

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Machine Design
The size of a gear is usually specified by

Circular pitch
Diametral pitch
Pressure angle
Pitch circle diameter

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Machine Design
If two springs are in parallel then their overall stiffness will be

Same
None of these
Half
Double

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Machine Design
Fabric belts are used in industrial applications because

They are unaffected by moisture and humidity
They are cheap
They can work at high temperature
None of these

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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

0.2
0.5
0.6
0.25

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as diameter of small pulley
4430 mm as nominal pitch length
4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys

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