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Machine Design

Machine Design
The efficiency of a riveted joint is equal to

Least of Pt, Ps and Pc/P
Pt /P
Ps /P
Pc /P

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Machine Design
A locking device extensively used in automobile industry is a

Ring nut
Sawn nut
Castle nut
Jam nut

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Machine Design
A screw is said to be over hauling screw, if the

Friction angle is less than helix angle
Efficiency of screw is 100%
Friction angle is equal to helix angle
Friction angle is more than helix angle

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

Vickers
Brinell
Rockwell
None of these

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

None of these
Less
More
Same

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Machine Design
The design of the pressure vessel is based on

Longitudinal and hoop stress
Longitudinal stress
None of these
Hoop stress

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