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Engineering Mechanics

Engineering Mechanics
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

Equal to
Less than
Greater than
None of these

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Engineering Mechanics
A couple produces

None of these
Translatory motion
Rotational motion
Combined translatory and rotational motion

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Engineering Mechanics
The maximum efficiency of a screw jack is

(1 - sinφ)/(1 + sinφ)
(1 - tanφ)/(1 + tanφ)
(1 + sinφ)/(1 - sinφ)
(1 + tanφ)/(1 - tanφ)

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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.

Changes periodically
Does not change
None of these
Change

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Engineering Mechanics
The slope on the road surface generally provided on the curves is known as

None of these
Angle of banking
Angle of repose
Angle of friction

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Output to the input
Distance moved by effort to the distance moved by load
Load lifted to the effort applied
All of these

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MORE MCQ ON Engineering Mechanics

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