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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)

0.8 d
1.2 d
0.5 d
d

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Machine Design
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

Middle
Shank
Head
Thread

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Machine Design
Factor of safety for fatigue loading is the ratio of

Elastic limit to the working stress
Elastic limit to the yield point
Endurance limit to the working stress
Young's modulus to the ultimate tensile strength

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Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

4
6
10
8

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Machine Design
The wear load should be __________ the dynamic load.

None of these
Greater than
Equal to
Less than

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Machine Design
In unilateral system of tolerance, the tolerance is allowed on

One side of the nominal size
One side of the actual size
Both sides of the actual size
Both sides of the nominal size

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