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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about an axis perpendicular to the section is

πd4/64
πd3/16
πd3/32
πd4/32

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Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

P = mW - C
P = mW + C
P = m/W + C
P = C - mW

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Engineering Mechanics
A pendulum which executes one beat per second is known as

Simple pendulum
Compound pendulum
Torsional pendulum
Second's pendulum

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Engineering Mechanics
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

Change
None of these
Changes periodically
Does not change

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Engineering Mechanics
The maximum frictional force which comes into play when a body just begins to slide over another surface is called

Limiting friction
Sliding friction
Rolling friction
Kinematic friction

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Engineering Mechanics
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

D - d
D × d
D / d
D + d

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MORE MCQ ON Engineering Mechanics

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