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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

8
6
4
10

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Machine Design
The temperature at which the new grains are formed in the metal is known as

Lower critical temperature
None of these
Recrystallization temperature
Upper critical temperature

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Machine Design
The draw of cotter need not exceed

20 mm
5 mm
10 mm
3 mm

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Machine Design
The form factor of a helical gear __________ with the increase in the helix angle.

Decreases
Increases
Remains constant
None of these

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

De-carburisation
Shot-peening
Electroplating
Finishing and polishing

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Machine Design
The most important dimension in the design of a nut is

Inside diameter
Outside diameter
Pitch diameter
Height

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