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Machine Design

Machine Design
If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to

0.6
0.2
0.5
0.25

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Machine Design
A column is known as a long column if the slenderness ratio is

100
70
50
40

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Machine Design
In block brakes, the ratio of shoe width to wheel diameter is taken between

0.25 and 0.50
0.75 and 1
0.1 and 0.25
0.50 and 0.75

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Machine Design
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

5 times
20 times
15 times
10 times

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Tip of the gear and flank of pinion
Tip of the pinion and flank of gear
Tip of both gear and pinion
Flanks of both gear and pinion

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Machine Design
If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will

Increase
Decrease
Have same value as that of standard specimen
None of these

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