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Machine Design

Machine Design
In order to permit the thermal expansion/contraction of tubing, it should be

Crimped
Flared
Bent
Honed

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Machine Design
The taper on key is given on

On both sides
Any side
Bottom side only
Top side only

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Machine Design
Which of the following formula is used in designing a connecting rod?

Rankine's formula
Johnson's straight line formula
Johnson's parabolic formula
Euler's formula

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Machine Design
The coefficient of friction in belt drive depends upon

Material of pulley
Material of belt
Belt velocity
Materials of belt and pulley

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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

168 d
124 d
138 d
151 d

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Machine Design
If threads on a bolt are left hand, threads on nut will be

Right hand with same pitch
Left hand with same pitch
Right hand with fine pitch
Could be left or right hand

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