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Machine Design

Machine Design
The ratio of endurance limit in shear to the endurance limit in flexure is

0.5
0.55
0.4
0.33

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Machine Design
The piston pin bearings in heavy duty diesel engines are

Spherical roller bearings
Cylindrical roller bearings
Needle roller bearings
Tapered roller bearings

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Machine Design
The objective of idler pulley in belt drive is to

Increase the wrap angle and belt tension
Decrease the tendency of belt to slip
Increase the power transmission capacity
All the above objectives

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Machine Design
If a bearing is designated by the number 305, it means that the bearing is of

Medium series whose bore is 5 mm
Light series whose bore is 5 mm
Medium series whose bore is 25 mm
Light series whose bore is 25 mm

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Machine Design
The function of the washer is to

Fill up the axial gap
Provide bearing area
Provide cushioning effect
Absorb shocks and vibrations

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Machine Design
The groove angle of the pulley for rope drive is usually

35°
45°
60°
20°

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MORE MCQ ON Machine Design

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