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Engineering Mechanics

Engineering Mechanics
The maximum mechanical advantage of a lifting machine is

1 + m
1 / m
1 - m
m

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

πN/180
πN/60
2πN/180
2πN/60

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Engineering Mechanics
The moment of inertia of a square of side a about its diagonal is

a⁴/16
a³/12
a⁴/12
a²/8

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Engineering Mechanics
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

Coplanar concurrent forces
Coplanar non-concurrent forces
Like parallel forces
Unlike parallel forces

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Engineering Mechanics
The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h)

Less than
None of these
Greater than
Equal to

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Engineering Mechanics
The maximum efficiency of a lifting machine is

m/V.R.
1/(m × V.R.)
V.R./m
1/m

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MORE MCQ ON Engineering Mechanics

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