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Machine Design

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

Low
High
None of these
Medium

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
sinθ cosθ
1/sinθ
1/tanθ

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Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

6
4
10
8

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Machine Design
The objective of idler pulley in belt drive is to

All the above objectives
Increase the power transmission capacity
Increase the wrap angle and belt tension
Decrease the tendency of belt to slip

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

Band brake
Band and block brake
Internal expanding brake
Shoe brake

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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

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

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