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Machine Design

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

Flared
Crimped
Honed
Bent

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Machine Design
The ratio of driving tensions in V-belt drives is __________ flat belt drives.

sin α times less than
sin α times more than
Equal to
cosec α times more than

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Machine Design
In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

None of these
Helix angle
Pitch lead angle
Pressure angle

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Machine Design
The rivet head used for boiler plate riveting is usually

Conical head
Snap head
Pan Head
Counter sunk head

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Machine Design
The radial distance of a tooth from the pitch circle to the top of the tooth is called

Working depth
Addendum
Clearance
Dedendum

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Machine Design
The form factor of a helical gear __________ with the increase in the helix angle.

Remains constant
Increases
None of these
Decreases

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