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Machine Design

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than
Equal to
Less than
None of these

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Machine Design
The function of cutting oil when threading a pipe is to

Lubricate the dies
All of these
Provide cooling action
Help removes chips

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Machine Design
The contact ratio for gears is

None of these
Greater than one
Less than one
Zero

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Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

None of these
Both A and B
Left hand
Right hand

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Machine Design
A hot short metal is

Brittle under all conditions
Brittle when hot
Brittle when cold
Ductile at high temperature

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Machine Design
The cam follower extensively used in aircraft engines is

Knife edge follower
Flat faced follower
Roller follower
Spherical faced follower

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