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Machine Design

Machine Design
Crushing resistance required to crush the rivet per pitch length is

p.t.σc
n.d.t.σc
p.d.σc
(p - d) t.σc

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Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(3m /Pmax)
√(Pmax / 2m)
√(Pmax / 3m)
√(Pmax / m)

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Machine Design
When a metal or alloy is cold worked,

Its hardness and strength increases
None of these
Both (A) and (B)
It is worked below recrystallization temperature

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

2 d
1.2 d
1.6 d
2.5 d

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Machine Design
In designing thick cylinders, the equation used is

Clavarinos' equation
Lame's equation
All of these
Birnie's equation

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

Equal to
More than
None of these
Less than

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