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Machine Design

Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.2 d
2 d
2.5 d
1.6 d

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Machine Design
In skew bevel gearing, the axes of shafts are

Intersecting and the teeth are curved
None of these
Non-intersecting and nonparallel and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight

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Machine Design
I.S. specifies following total number of grades of tolerances

18
16
22
20

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Machine Design
When compared to the rod of the same diameter and material, a wire rope

Does not provide much warning before failure
Has a much smaller load carrying capacity
Provides much greater time for remedial action before failure
Is less flexible

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Four times
Same
Double
Three times

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Machine Design
Cast iron pipes are mainly used

For conveying steam
In pressure lubrication systems on prime movers
All of these
In water and sewage systems

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