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Machine Design

Machine Design
In order to permit the thermal expansion/contraction of tubing, it should be

Honed
Flared
Bent
Crimped

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Machine Design
The strap end of a connecting rod of steam engine is joined by

Knuckle joint
Gib of cotter joint
Sleeve and cotter joint
Spigot socket cotter joint

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

Bolted joint
Knuckle joint
Cotter joint
Universal coupling

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Machine Design
If a spring is cut down into two springs, the stiffness of cut springs will be

Double
Same
None of these
Half

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Machine Design
Basic shaft is one

Whose lower deviation is zero
Does not exist
Whose lower as well as upper deviations are zero
Whose upper deviation is zero

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Machine Design
If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?

Maximum distortion energy theory
Maximum strain energy theory
Maximum shear stress theory
Maximum principal stress theory

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