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Engineering Mechanics

Engineering Mechanics
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is

45° + β/2
60° + β/2
30° + β/2
β/2

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Engineering Mechanics
The forces, which meet at one point and their lines of action also lie on the same plane, are known as

Non-coplanar concurrent forces
Non-coplanar non-concurrent forces
Coplanar non-concurrent forces
Coplanar concurrent forces

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Engineering Mechanics
The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is

mr²/6
mr²/8
mr²/4
mr²/2

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Engineering Mechanics
One joule is equal to

10 N-m
0.1 N-m
100 N-m
1 N-m

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Engineering Mechanics
The efficiency of a lifting machine is the ratio of

Output to the input
Work done by the machine to the work done on the machine
Mechanical advantage to the velocity ratio
All of these

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Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

Body has kinetic energy of translation
None of these
Work is said to be done
Power is being transmitted

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MORE MCQ ON Engineering Mechanics

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