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Machine Design

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

15°
8°
25°
5°

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Machine Design
Cast iron pipes are mainly used

All of these
In pressure lubrication systems on prime movers
In water and sewage systems
For conveying steam

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Machine Design
The cam follower extensively used in aircraft engines is

Flat faced follower
Roller follower
Spherical faced follower
Knife edge follower

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Machine Design
The standard length of the shaft is

7 m
All of these
6 m
5 m

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Machine Design
Which process will increase the fatigue duration of parts?

De-carburisation
Shot-peening
Finishing and polishing
Electroplating

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Machine Design
When a close coiled helical spring is compressed, its wire is subjected to

All of these
Shear
Tension
Compression

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