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Machine Design

Machine Design
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.

Twice
None of these
Thrice
Half

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

20
18
22
16

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Machine Design
Rivets are generally specified by

Nominal diameter
Diameter of head
Length of rivet
Thickness of plates to be riveted

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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

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

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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
Double
Same
Three times

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Perpendicular
None of these
Both A and B
Parallel

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