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Machine Design

Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

d
0.8 d
1.2 d
0.5 d

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

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

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Machine Design
According to Indian standards, total numbers of tolerance grades are

20
12
18
8

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Machine Design
The V-belts are particularly suitable for __________ drives.

None of these
Both A and B
Long
Short

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Machine Design
The shock absorbing capacity of a bolt may be increased by

Making the shank diameter equal to core diameter of thread
Tightening the bolt properly
Decreasing its shank diameter
Increasing its shank diameter

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Machine Design
A self locking screw has

Coefficient of friction is greater than tangent of load angle
Hole for inserting split pin
Fine threads
Course threads

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