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Machine Design

Machine Design
According to Indian standards, total numbers of tolerance grades are

20
12
8
18

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Machine Design
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

2100 N-m
2000 N-m
2136 N-m
2050 N-m

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Machine Design
A transmission shaft includes

Counter shaft
All of these
Over head shaft
Line shaft

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Machine Design
The stretching in a belt can be controlled by __________ the stress in the belt.

Both A and B
None of these
Increasing
Reducing

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Machine Design
The sleeve or muff coupling is designed as a

Thick cylinder
Dun cylinder
Solid shaft
Hollow shaft

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Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

44045
43929
43869
44047

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