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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

Headless taper bolts
Studs
Bolts and nuts
None of these

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Machine Design
In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft)

d + 17 mm
3.5d
2d + 20 mm
2d + 13 mm

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

Malleability
Plasticity
Elasticity
Ductility

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Machine Design
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

One end fixed and the other end hinged
Both the ends fixed
One end fixed and the other end free
Both the ends hinged

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Machine Design
In a flange coupling, the bolts are subjected to

Compressive stress
Tensile stress
Shear stress
None of these

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Double
Same
Three times
Four times

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