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Machine Design

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

Clearance
Working depth
Dedendum
Addendum

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Machine Design
A riveted joint is a __________ fastening.

Permanent
Either A or B
Temporary
None of these

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Machine Design
A key way lowers

The rigidity of the shaft
The strength of the shaft
The ductility of the shaft
Both the strength and rigidity of the shaft

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Machine Design
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using

Gerber relation
Soderberg relation
Goodman relation
None of these

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Machine Design
In a multiple V-belt drive, if one of the belts break, then

The broken belt and the belt on either side of it, is replaced
The entire set of belts is replaced
Only the broken belt is replaced
The broken belt need not to be replaced

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)

(WD/ πd3) × K
(8WD/ πd3) × K
(4WD/ πd3) × K
(2WD/ πd3) × K

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