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Machine Design

Machine Design
The railway carriage couplings have

Buttress threads
Acme threads
Square threads
Knuckle threads

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Machine Design
Eye bolts are used for

Absorbing shock and vibrations
Transmission of power
Lifting and transportation of machines and cubicles
Foundation purposes

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Machine Design
A saddle key __________ power through frictional resistance only.

None of these
Either A or B
Transmits
Does not transmit

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43834
43833
43832
43864

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Machine Design
In the levers of third type, the mechanical advantage is __________ one.

None of these
More than
Equal to
Less than

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

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