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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

44047
43869
44045
43929

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Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Ensure uniform loading
Reduce vibration
Reduce slip
Ensure proper alignment

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Machine Design
When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads

Compression
Shear
Combined loads
Tension

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Machine Design
The distribution of the forces along the length of key fitted in a shaft

Varies exponentially, being more near the torque-input end
Varies exponentially, being less near the torque-input end
Is uniform throughout
Varies linearly

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Machine Design
The function of cutting oil when threading a pipe is to

Provide cooling action
All of these
Lubricate the dies
Help removes chips

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Machine Design
The included angle for the V-belt is usually

60°-80°
30°-40°
40°-60°
10°-20°

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