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Machine Design

Machine Design
A riveted joint is a __________ fastening.

Permanent
Either A or B
None of these
Temporary

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Machine Design
For a square key made of mild steel, the shear and crushing strength are related as

Shear strength is greater than crushing strength
Shear strength is less than crushing strength
Shear strength is equal to crushing strength
None of these

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Machine Design
The suitable material for belt in agricultural machinery is

Rubber
Cotton duck
Balata gum
Leather

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Machine Design
The ball bearings are provided with a cage

To prevent the lubricant from flowing out
To reduce friction
To maintain the balls at a fixed distance apart
To facilitate slipping of balls

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Machine Design
A crankshaft is a __________ shaft.

Machine frame
Machine
None of these
Transmission

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.d.σt
(p - d) σt
p.t.σt
(p - d) t.σt

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