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Machine Design

Machine Design
Taper usually provided on cotter is

1 in 24
1 in 5
1 in 10
1 in 40

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

Decreases
Increases
None of these
Remains constant

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Machine Design
When the fulcrum is in between the load and effort, the lever is said to be of

First type
Second type
Third type
Any one of these

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Machine Design
The number of slots in a 25 mm castle nut is

4
8
2
6

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Machine Design
The power transmitted by the belt drive can be increased by

Dressing the belt to increase the coefficient of friction
All of these
Increasing the initial tension in the belt
Increasing wrap angle by using idler pulley

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Machine Design
Rivets are generally specified by

Diameter of head
Nominal diameter
Length of rivet
Thickness of plates to be riveted

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