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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

Bolts and nuts
None of these
Studs
Headless taper bolts

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Machine Design
In a multiple V-belt drive, if one of the belts break, then

Only the broken belt is replaced
The broken belt need not to be replaced
The broken belt and the belt on either side of it, is replaced
The entire set of belts is replaced

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct tensile stress
Direct compressive stress
Direct bending stress
Direct shear stress

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Machine Design
Failure of a material is called fatigue when it fails

At the elastic limit
At the yield point
Below the elastic limit
Below the yield point

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

None of these
Equal to
Less than
More than

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Machine Design
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Angular bevel gears
Internal bevel gears
Mitre gears
Crown Bevel gears

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