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Machine Design

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

8°
25°
5°
15°

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Machine Design
The gears are termed as medium velocity gears, if their peripheral velocity is

30-50 m/s
1-3 m/s
3-15 m/s
15-30 m/s

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Machine Design
A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is

15 N-m
5 N-m
7 N-m
10 N-m

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Machine Design
In designing thick cylinders, the equation used is

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

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

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Machine Design
A cotter joint is used to connect two __________ rods.

Co-axial
Parallel
None of these
Perpendicular

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