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Machine Design

Machine Design
The standard length of the shaft is

5 m
7 m
All of these
6 m

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Machine Design
A coupling used to connect two perfectly aligned shafts, is

Flange coupling
Compression coupling
All of these
Muff coupling

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

45°
40°
60°
38°

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Machine Design
Silver based solder is used for

Flaring
Brazing
Soft soldering
Fusion welding

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Machine Design
According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)

d = 1.6√t
d = 6√t
d = 2√t
d = √t

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Machine Design
Lewis equation in gears is used to find the

Fatigue stress
Tensile stress in bending
Compressive stress in bending
Shear stress

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