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Machine Design

Machine Design
A single strap butt joint is always in __________ shear.

None of these
Single
Triple share
Double

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Machine Design
The valve rod in a steam engine is connected to an eccentric rod by

Cotter joint
Universal coupling
Knuckle joint
Bolted joint

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Machine Design
Stress concentration factor is defined as the ratio of

Nominal stress to the maximum stress
Maximum stress to the nominal stress
Maximum stress to the endurance limit
Nominal stress to the endurance limit

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Machine Design
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

Elastic strength
Yield strength
Shear strength
None of these

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Machine Design
The connecting rod bolts are tightened up with initial tension greater than the external load so that

Joint may not open up
Bolts will not loosen during service
Bolts are weakest elements
The resultant load on the bolt would not be affected by the external cyclic load

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Machine Design
A leaf spring in automobiles is used

To apply forces
To absorb shocks
To store strain energy
To measure forces

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