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Machine Design

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

0.33
0.4
0.55
0.5

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

Spheroidizing
Tempering
Annealing
Normalizing

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Machine Design
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be

One-fourth
Double
One-half
Same

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Machine Design
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation

151 d
168 d
138 d
124 d

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Machine Design
A column is known as a long column if the slenderness ratio is

40
100
70
50

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Machine Design
A riveted joint is a __________ fastening.

Either A or B
Temporary
Permanent
None of these

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