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Machine Design

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

None of these
High
Medium
Low

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Machine Design
A universal coupling is used to connect two shafts

Which are not in exact alignment
Which are perfectly aligned
Have lateral misalignment
Whose axes intersect at a small angle

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Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

None of these
At
Below
Above

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Machine Design
In block brakes, the ratio of shoe width to wheel diameter is taken between

0.50 and 0.75
0.25 and 0.50
0.75 and 1
0.1 and 0.25

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

Sum of the initial tension and external load applied
Initial tension
External load applied
Initial tension or external load, whichever is greater

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Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Shot peening
Cold working
Grinding and lapping surface
Hot working

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