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Machine Design

Machine Design
The efficiency of a riveted joint is equal to

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

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Machine Design
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using

Goodman relation
Gerber relation
Soderberg relation
None of these

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Machine Design
Belt slip may occur due to

Loose belt
All of these
Driving pulley too small
Heavy load

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

None of these
Lower critical temperature
Recrystallization temperature
Upper critical temperature

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Machine Design
Oldham coupling is used to connect two shafts

Which have lateral misalignment
Which are not in exact alignment
Whose axes intersect at a small angle
Which are perfectly aligned

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Machine Design
The material commonly used for crane hooks is

Aluminium
Cast iron
Mild steel
Wrought iron

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