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Machine Design

Machine Design
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

Moderate
Lighter
None of these
Heavier

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Machine Design
The backlash for spur gears depends upon

Module
Tooth profile
Both module and pitch line velocity
Pitch line velocity

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Machine Design
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Remain unaffected with cross-section area
Would depend upon other factors
Decreasing the cross-section area of bar
Increasing the cross-section area of bar

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Machine Design
When the fulcrum is in between the load and effort, the lever is said to be of

Second type
Any one of these
First type
Third type

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Machine Design
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

None of these
Smaller
Greater
Medium

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Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is about yield point divided by safety factor
Approaches yield point
Is just sufficient to hold parts together
Is 50% of yield point

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