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Machine Design

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

None of these
Bolts and nuts
Studs
Headless taper bolts

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Machine Design
If a load W is applied instantaneously on a bar; Then the stress induced in bar will

Increase with increase in y
Be independent of ratio of mass of load W to mass of bar (y)
Decrease with decrease in y
Depend on other considerations

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Machine Design
A cotter joint is used to connect two __________ rods.

Parallel
Co-axial
None of these
Perpendicular

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Machine Design
The shear modulus of resilience is proportional to

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

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Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Axial pitch
Diametral pitch
Normal pitch
Module

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Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

4 d
5 d
2 d
3 d

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