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Machine Design

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

5°
8°
15°
25°

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Machine Design
A type of brake commonly used in motor cars is a

Band and block brake
Shoe brake
Band brake
Internal expanding brake

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Machine Design
The taper on cotter varies from

1 in 15 to 1 in 10
1 in 24 to 1 in 20
1 in 48 to 1 in 24
1 in 32 to 1 in 24

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Machine Design
The expansion joint is mostly used for pipes which carry steam at __________ pressures.

None of these
Medium
Low
High

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

4 kN-m
1 kN-m
2 kN-m
3 kN-m

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Machine Design
When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt)

0.5 d
d
1.25 d
0.75 d

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