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Machine Design

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

Studs
None of these
Bolts and nuts
Headless taper bolts

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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 principal stress theory
Maximum strain energy theory
Maximum shear stress theory

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Machine Design
Applications in which stresses are encountered in one direction only uses following type of threads

Acme
Square
Buttress
Metric

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Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

(6V/ π)1/3
(6V/ π)2
(6V/ π)3
(6V/ π)1/2

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Machine Design
The included angle between the sides of V-belt is

38°
45°
40°
60°

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Machine Design
Which of the following screw thread is adopted for power transmission in either direction?

Multiple threads
Square threads
Buttress threads
Acme threads

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