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Machine Design

Machine Design
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.

None of these
Half
Thrice
Twice

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Machine Design
A column is known as a long column if the slenderness ratio is

70
40
50
100

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Machine Design
A tapered key which fits in a key way in the hub and is flat on the shaft, is known as

Gib-head key
Feather key
Wood ruff key
Flat saddle key

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Machine Design
A leaf spring in automobiles is used

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

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct tensile stress
Direct bending stress
Direct shear stress
Direct compressive stress

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Machine Design
The bearings of medium series have capacity __________ over the light series.

20 to 30%
30 to 40%
40 to 50%
10 to 20%

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