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Machine Design

Machine Design
Shear stress theory is applicable for

All of these
Ductile materials
Elastic materials
Brittle materials

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Machine Design
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

log (T₁/T₂) = μθ
T₁/T₂ = μθ
T₁/T₂ = log μθ
T₁/T₂ =eμθ

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

Diametral pitch
Normal pitch
Module
Axial pitch

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

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

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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
For circumferential joint in boilers, the type of joint used is

Any one of the above
Butt joint with single cover plate
Butt joint with double cover plate
Lap joint with one ring overlapping the other

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