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Machine Design

Machine Design
The size of a gear is usually specified by

Pressure angle
Circular pitch
Pitch circle diameter
Diametral pitch

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Machine Design
In static loading, stress concentration is more serious in

Ductile materials
Elastic materials
Brittle materials
Brittle as well as ductile materials

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Machine Design
In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Tempering
Spheroidizing
Annealing
Normalizing

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Machine Design
The design of pin of a rocker arm of an I.C. engine is based on

Bending failure
Bearing failure
Shearing failure
All of these

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Machine Design
A key capable of tilting in a recess milled out in a shaft is known as

Hollow saddle key
Feather key
Woodruff key
Flat saddle key

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Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

21
25
17
15

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