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Machine Design

Machine Design
The suitable material for belt in agricultural machinery is

Cotton duck
Rubber
Leather
Balata gum

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Machine Design
The bearings of heavy series have capacity __________ over the medium series.

30 to 40%
20 to 30%
40 to 50%
10 to 20%

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Machine Design
The cam follower extensively used in aircraft engines is

Knife edge follower
Roller follower
Flat faced follower
Spherical faced follower

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Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is 50% of yield point
Approaches yield point
Is just sufficient to hold parts together
Is about yield point divided by safety factor

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Machine Design
The helix angle for double helical gears may be made up to

45°
75°
90°
60°

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Machine Design
A crankshaft is a __________ shaft.

Transmission
Machine
Machine frame
None of these

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