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Machine Design

Machine Design
When a close coiled helical spring is compressed, its wire is subjected to

All of these
Tension
Shear
Compression

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/tanθ
sinθ cosθ
1/cosθ
1/sinθ

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Machine Design
In order to withstand resistance to wear, the best profile of gear is

14½° stub tooth
20° involute stub tooth
14½° full depth involute tooth
20° full depth involute tooth

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Machine Design
Guest's theory is used for

Elastic materials
Brittle materials
Ductile materials
Plastic materials

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

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

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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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