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Machine Design

Machine Design
Which is positive drive?

Timing belt
V belt drive
Flat belt drive
Crossed belt drive

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Machine Design
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as

Crown bevel gears
Angular bevel gears
Miter gears
Internal bevel gears

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Machine Design
A universal coupling is used to connect two shafts

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

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Machine Design
At low temperatures (say 75°C) the notched bar impact value of steel

Increases markedly
Depends on heat treatment carried out
Remain same
Decreases markedly

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Machine Design
The radial distance from the __________ to the clearance circle is called working depth.

Addendum circle
Dedendum circle
None of these
Pitch circle

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Machine Design
A flange coupling is used to connect two shafts

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

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