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Machine Design

Machine Design
The helix angle for double helical gears may be made up to

75°
45°
60°
90°

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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
Smaller
Larger/smaller depending on diameter of spring coil
Equal

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Machine Design
The groove angle of pulleys for V-belt is

420 to 450
More than 400
340 to 360
300 to 320

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Machine Design
The spring mostly used in gramophones is

Flat spiral spring
Helical spring
Volute spring
Conical spring

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Machine Design
In cylindrical cams, the follower moves

In a direction perpendicular to the cam axis
In any direction irrespective of cam axis
In a direction parallel to the cam axis
Along the cam axis

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Machine Design
The included angle between the sides of V-belt is

38°
40°
45°
60°

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MORE MCQ ON Machine Design

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