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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

0.2
0.5
0.25
0.6

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Machine Design
The size of a gear is usually specified by

Circular pitch
Pressure angle
Diametral pitch
Pitch circle diameter

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Machine Design
In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft)

d + 17 mm
2d + 13 mm
2d + 20 mm
3.5d

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Machine Design
The bearings of medium series have capacity __________ over the light series.

40 to 50%
10 to 20%
30 to 40%
20 to 30%

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Machine Design
The edges of a boiler plate are bevelled to an angle of

60°
30°
80°
45°

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Machine Design
Applications in which stresses are encountered in one direction only uses following type of threads

Acme
Square
Buttress
Metric

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