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Engineering Mechanics

Engineering Mechanics
The range of a projectile is maximum, when the angle of projection is

45°
60°
90°
30°

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Engineering Mechanics
The unit of work in S.I. units is

kg-m
erg
joule
Newton

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Engineering Mechanics
A screw jack used for lifting the loads is

A reversible machine
A non-reversible machine
None of these
An ideal machine

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Engineering Mechanics
A redundant frame is also called __________ frame.

Perfect
Deficient
Imperfect
None of these

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Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-8.9 m/s2
+8.9 m/s2
+9.8 m/s2
-9.8 m/s2

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Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Both of above are wrong
Constant
Both of above are correct
Equal to the moment of the couple

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MORE MCQ ON Engineering Mechanics

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