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Machine Design

Machine Design
A riveted joint is a __________ fastening.

None of these
Temporary
Either A or B
Permanent

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Machine Design
The root angle of a bevel gear is equal to

Pitch angle - addendum angle
Pitch angle - dedendum angle
Pitch angle + addendum angle
Pitch angle + dedendum angle

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Machine Design
The application of second type levers is found in

Handle of a hand pump
A pair of tongs
Lever of a loaded safety valve
Hand wheel of a punching press

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Machine Design
The coefficient of friction between the belt and pulley depends upon the

Speed of belt
All of these
Material of belt and pulley
Slip of belt

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Machine Design
In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

Pointed threads
Multiple threads
Right hand threads
Left hand threads

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Machine Design
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio

Increases
Remains unchanged
None of these
Decreases

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