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Machine Design

Machine Design
The endurance limit for a mirror polished material will be __________ as compared to unpolished material.

Same
Less
More
None of these

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys
4430 mm as diameter of small pulley
4430 mm as nominal pitch length

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Machine Design
The included angle for the V-belt is usually

30°-40°
10°-20°
40°-60°
60°-80°

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Machine Design
In order to permit the thermal expansion/contraction of tubing, it should be

Bent
Honed
Flared
Crimped

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Machine Design
A saddle key __________ power through frictional resistance only.

None of these
Either A or B
Does not transmit
Transmits

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Machine Design
The taper on key is given on

Top side only
On both sides
Bottom side only
Any side

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