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Machine Design

Machine Design
The shear modulus of resilience is proportional to

(Shear stress)⁴
(Shear stress)3
Shear stress
(Shear stress)²

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
sinθ cosθ
1/tanθ
1/sinθ

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Machine Design
The shear stress in a beam varies from zero at the outer fibers to a maximum at the________.

Upper surface
None of these
Neutral surface
Lower surface

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Machine Design
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

1 micron
10 microns
0.1 micron
0.01 micron

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

Studs
Headless taper bolts
Bolts and nuts
None of these

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Machine Design
The arms of the pulleys for flat belt drive have

Major axis in plane of rotation
Elliptical cross-section
All the three characteristics
Major axis twice the minor axis

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