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Machine Design

Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

3 d
4 d
5 d
2 d

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Machine Design
A flange coupling is used to connect two shafts

Which are not in exact alignment
Whose axes intersect at a small angle
Have lateral misalignment
Which are perfectly aligned

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

Honed
Bent
Flared
Crimped

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Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

At
None of these
Above
Below

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force)

1 Pc
3 Pc
Pc/3
2 Pc

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Machine Design
The dedendum is the radial distance from the

Top of a tooth to the bottom of a tooth
Addendum circle to the clearance circle
Pitch circle to the bottom of a tooth
Pitch circle to the top of a tooth

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