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Machine Design

Machine Design
The wear load should be __________ the dynamic load.

None of these
Less than
Equal to
Greater than

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

Initial tension or external load, whichever is greater
Initial tension
External load applied
Sum of the initial tension and external load applied

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Machine Design
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be

4 times more
3 times more
Same in both cases
2 times more

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

(p - d) σt
p.d.σt
(p - d) t.σt
p.t.σt

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Machine Design
The strength of a riveted joint is equal to

Tearing strength of plate (Pt)
Crushing strength of rivet (Pc)
Shearing strength of rivet (Ps)
Least value of Pt Ps and Pc

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Machine Design
A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

Plasticity
Malleability
Ductility
Elasticity

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