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Machine Design

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

44047
43929
43869
44045

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Machine Design
The power transmitted by means of a belt depends upon

All of these
Arc of contact between the belt and the smaller pulley
Velocity of the belt
Tension under which the belt is placed on the pulleys

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Machine Design
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

2.5 d
1 d
1.5 d
2 d

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Machine Design
A screw is said to be over hauling screw, if its efficiency is

Equal to 50%
Less than 50%
None of these
More than 50%

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Machine Design
The objective of caulking in a riveted joint is to make the joint

Free from stress
Leak-proof
Free from corrosion
Stronger in tension

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Machine Design
Creep in belt is due to

Material of the pulley
Material of the belt
All of these
Uneven extensions and contractions due to varying tension

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