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Machine Design

Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

5°
8°
25°
15°

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Machine Design
The rolling contact bearings are known as

Thick lubricated bearings
Antifriction bearings
Plastic bearings
Thin lubricated bearings

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Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Greater than
Less than
None of these
Equal to

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

(p - d) t.σt
p.t.σt
(p - d) σt
p.d.σt

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Machine Design
A flange coupling is used to connect two shafts

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

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Machine Design
A screw is said to be a self locking screw, if its efficiency is

Equal to 50%
None of these
Less than 50%
More than 50%

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