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Machine Design

Machine Design
When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is

0.2
0.65
0.5
0.35

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

d
0.5 d
1.2 d
0.8 d

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Machine Design
The design of shafts made of brittle materials is based on

Von Mises theory
Rankine's theory
St Venant's theory
Guest's theory

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Machine Design
In order to withstand resistance to wear, the best profile of gear is

20° involute stub tooth
20° full depth involute tooth
14½° full depth involute tooth
14½° stub tooth

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Machine Design
The width of the pulley should be __________ width of the belt.

Less than
Greater than
Equal to
None of these

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Machine Design
A connecting rod should be

Any one of the above
Strong in buckling about Y-axis
Equally strong in buckling about X-axis and Y-axis
Strong in buckling about X-axis

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