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Machine Design

Machine Design
The wear load should be __________ the dynamic load.

Less than
None of these
Equal to
Greater than

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Machine Design
The power transmitted by the belt drive can be increased by

Dressing the belt to increase the coefficient of friction
Increasing the initial tension in the belt
Increasing wrap angle by using idler pulley
All of these

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Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

0.5 times
2 times
Equal to
Double

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Machine Design
In the levers of first type, the mechanical advantage is ________ one.

Equal to
None of these
More than
Less than

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Machine Design
The temperature at which the new grains are formed in the metal is known as

None of these
Upper critical temperature
Recrystallization temperature
Lower critical temperature

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Machine Design
Creep in belt is due to

Material of the pulley
All of these
Uneven extensions and contractions due to varying tension
Material of the belt

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