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Machine Design

Machine Design
The suitable material for belt used in flour mill is

Canvas or cotton duck
Balata gum
Leather
Rubber

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Machine Design
The cam follower generally used in automobile engines is

Roller follower
Spherical faced follower
Knife edge follower
Flat faced follower

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Machine Design
The process which improves the machinability of steels, but lowers the hardness and tensile strength is

Spheroidising
Normalising
Full annealing
Process annealing

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

Pc/3
1 Pc
2 Pc
3 Pc

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Machine Design
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

0.8 d
1.57 d
1.2 d
1.8 d

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Machine Design
A riveted joint is a __________ fastening.

Either A or B
Temporary
None of these
Permanent

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