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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

43929
44045
43869
44047

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Machine Design
In cylindrical cams, the follower moves

In any direction irrespective of cam axis
In a direction parallel to the cam axis
Along the cam axis
In a direction perpendicular to the cam axis

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

10 m/s
20 m/s
12.5 m/s
15 m/s

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Machine Design
When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate)

π/4 × d².τu
π/4 × d² × tτu
πd.t.τu
t.τu

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Machine Design
A localized compressive stress at the area of contact between two members is known as

Bending stress
Bearing stress
Shear stress
Tensile stress

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Machine Design
Taper on the cotter and slot is provided

On one side only
May be provided anywhere
On both the sides
On none of the sides

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