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Machine Design

Machine Design
For maximum power, the velocity of the belt will be

√(T/3m)
√(T/2m)
None of these
√(T/m)

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Machine Design
The design of shafts made of brittle materials is based on

Rankine's theory
St Venant's theory
Guest's theory
Von Mises theory

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Machine Design
The maximum normal stress theory is used for

Non-ferrous materials
Brittle materials
Ductile materials
Plastic materials

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Machine Design
The stress in the threaded part of the bolt will be __________ as compared to the shank.

Higher
None of these
Same
Lower

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Machine Design
The shock resistance of steel is increased by adding

Nickel
Cobalt and molybdenum
Nickel and chromium
Chromium

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Machine Design
Oldham coupling is used to connect two shafts

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

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