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Machine Design

Machine Design
A crankshaft is a __________ shaft.

None of these
Machine
Transmission
Machine frame

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Machine Design
The material commonly used for machine tool bodies is

Cast iron
Aluminium
Brass
Mild steel

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Machine Design
The lead angle of a worm is 22.5°. Its helix angle will be

90°
22.5°
45°
67.5°

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Machine Design
The bending stress in a curved beam is

Zero at the point other than centroidal axis
Zero at the centroidal axis
Maximum at the neutral axis
None of these

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Machine Design
A universal coupling is used to connect two shafts

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

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Machine Design
In leaf springs, the longest leaf is known as

Master leaf
None of these
Upper leaf
Lower leaf

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