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Machine Design

Machine Design
Shear stress theory is applicable for

Brittle materials
Ductile materials
Elastic materials
All of these

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Machine Design
Eye bolts are used for

Transmission of power
Foundation purposes
Lifting and transportation of machines and cubicles
Absorbing shock and vibrations

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Machine Design
The maximum efficiency of a square threaded screw is

(1 - sinφ)/ (1 + sinφ)
(1 + sinφ)/ (1 - sinφ)
(1 - sinφ)/ (1 + cosφ)
(1 + cosφ)/ (1 - sinφ)

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Machine Design
The product of the diametral pitch and circular pitch is equal to

π
π × number of teeth
1
1/π

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Machine Design
The design of pin of a rocker arm of an I.C. engine is based on

All of these
Shearing failure
Bending failure
Bearing failure

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Machine Design
Aircraft body is usually fabricated by

Pre-casting
Riveting
Casting
Welding

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