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Machine Design

Machine Design
Rankine Gordon formula for buckling is valid for

Long column
Short and long column
Short column
Very long column

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Machine Design
In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to

Increase the key width
Decrease the key length
Increase the key depth
Increase the key length

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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

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

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Machine Design
A locking device extensively used in marine type connecting rod ends is a

Jam nut
Ring nut
Sawn nut
Castle nut

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

3 kN-m
2 kN-m
1 kN-m
4 kN-m

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Machine Design
The ultimate strength of steel in tension in comparison to shear is in the ratio of

0.12638888888889
0.042361111111111
0.085416666666667
0.084027777777778

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