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Machine Design

Machine Design
The static tooth load should be __________ the dynamic load.

Less than
None of these
Greater than
Equal to

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Machine Design
According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

2 mm for rivet diameter from 39 mm to 48 mm
1 mm for rivet diameter from 27 mm to 36 mm
0.5 mm up to rivet diameter of 24 mm
All of these

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Machine Design
The centrifugal tension in the belt

Decreases the power transmitted
Has no effect on the power transmitted
Is equal to maximum tension on the belt
Increases the power transmitted

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Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

2W/A
3W/A
W/2A
W/A

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Machine Design
The acme threads are usually found on

Screw cutting lathes
Railway carriage couplings
Spindles of bench vices
Feed mechanism of machine tools

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Machine Design
In nitrated parts, the origins of the fatigue cracks will occur at

None of these
Surface
Within the core
Just below the surface

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