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Machine Design

Machine Design
The constant factor in case of R10 series of preferred numbers is

1.58
1.06
1.12
1.26

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Machine Design
The value of Lewis form factor used in design of gears is

All of these
Dependent on number of teeth of a gear
Independent of size of teeth
Dependent on system of teeth

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Tip of the pinion and flank of gear
Tip of both gear and pinion
Flanks of both gear and pinion
Tip of the gear and flank of pinion

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

Spheroidizing
Annealing
Normalizing
Tempering

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Machine Design
The objective of idler pulley in belt drive is to

Increase the wrap angle and belt tension
Decrease the tendency of belt to slip
Increase the power transmission capacity
All the above objectives

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Machine Design
The lower deviation is the algebraic difference between the

Maximum limit and the basic size
Actual size and the corresponding basic size
None of these
Minimum limit and the basic size

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