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Machine Design

Machine Design
The washer is generally specified by its

Hole diameter
Thickness
Outer diameter
Mean diameter

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Machine Design
A hot short metal is

Ductile at high temperature
Brittle when cold
Brittle under all conditions
Brittle when hot

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Same
Double
Three times
Four times

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Machine Design
For high speed engines, the cam follower should move with

Simple harmonic motion
Uniform velocity
Uniform acceleration and retardation
Cycloidal motion

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

b/2L
1 - (b/L)
b/L
1 - 2 b.L

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Machine Design
The included angle for the V-belt is usually

30°-40°
10°-20°
40°-60°
60°-80°

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