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Machine Design

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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Machine Design
When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as

Bevel gearing
Helical gearing
Spur gearing
Spiral gearing

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Machine Design
The period during which the cam follower remains at rest, when cam moves, is known as

Fixed period
Dwell period
Idle period
Constant period

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Machine Design
The ultimate strength of steel in tension in comparison to shear is in the ratio of

0.12638888888889
0.042361111111111
0.085416666666667
0.084027777777778

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Machine Design
The coefficient of friction between the belt and pulley depends upon the

Material of belt and pulley
Slip of belt
All of these
Speed of belt

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Machine Design
The piston pin bearings in heavy duty diesel engines are

Tapered roller bearings
Needle roller bearings
Cylindrical roller bearings
Spherical roller bearings

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