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Machine Design

Machine Design
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.

Thrice
Half
Twice
None of these

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Machine Design
Gears are casted by

Centrifugal casting
Permanent mould casting
Slush casting
Sand mould casting

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

6
4
10
8

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Machine Design
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)

p = D sin (360°/T)
p = D sin (180°/T)
p = D sin (90°/T)
p = D sin (120°/T)

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Machine Design
The static tooth load should be __________ the dynamic load.

Greater than
Less than
Equal to
None of these

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Machine Design
In designing thick cylinders, the equation used is

All of these
Birnie's equation
Lame's equation
Clavarinos' equation

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