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Machine Design

Machine Design
The material used for brake lining should have __________ coefficient of friction.

High
None of these
Low
Moderate

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Machine Design
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

1.5 d
1.75 d
1.25 d
1 d

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Machine Design
The value of stress concentration factor depends upon

Material and geometry of the part
Geometry of the part
None of these
Material of the part

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Machine Design
A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)

Greater than 30d
Equal to inside diameter of pipe
Less than 20d
Between 20d and 30d

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Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

Equal to
0.5 times
Double
2 times

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Machine Design
The belt slip occurs due to

Driving pulley too small
Any one of the above
Loose belt
Heavy load

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