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Machine Design

Machine Design
If two springs are in parallel then their overall stiffness will be

Half
None of these
Double
Same

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Machine Design
Rivets are generally specified by

Thickness of plates to be riveted
Diameter of head
Length of rivet
Nominal diameter

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

1.06
1.12
1.58
1.26

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

Clearance
Addendum
Working depth
Dedendum

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Machine Design
The rolling contact bearings as compared to sliding contact bearings have

Low starting and low running friction except at very high speeds
Small overall dimensions
Accuracy of shaft alignment
All of these

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Machine Design
When a metal or alloy is cold worked,

Its hardness and strength increases
Both (A) and (B)
None of these
It is worked below recrystallization temperature

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