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Machine Design

Machine Design
A transmission shaft includes

Over head shaft
All of these
Line shaft
Counter shaft

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Machine Design
The size of a gear is usually specified by

Pitch circle diameter
Circular pitch
Diametral pitch
Pressure angle

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Machine Design
Failure of a material is called fatigue when it fails

Below the elastic limit
At the elastic limit
At the yield point
Below the yield point

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

10
8
6
4

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

0.084027777777778
0.042361111111111
0.085416666666667
0.12638888888889

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

20 m/s
15 m/s
12.5 m/s
10 m/s

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