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Machine Design

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

30°
45°
60°
80°

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Machine Design
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

Larger
Larger/smaller depending on diameter of spring coil
Smaller
Equal

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Machine Design
In the levers of third type, the mechanical advantage is __________ one.

Less than
Equal to
None of these
More than

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Machine Design
According to Indian standards, total numbers of fundamental deviations are

20
25
10
15

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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)

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

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Machine Design
The size of a gear is usually specified by

Diametral pitch
Pitch circle diameter
Circular pitch
Pressure angle

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