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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

43869
44045
43929
44047

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Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Pitch
Margin
Diagonal pitch
Back pitch

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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)

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

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Machine Design
In the levers of third type, the mechanical advantage is __________ one.

Equal to
More than
Less than
None of these

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Machine Design
The function of the washer is to

Provide bearing area
Absorb shocks and vibrations
Provide cushioning effect
Fill up the axial gap

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Machine Design
The included angle in unified of American National threads is

47°
29°
55°
60°

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