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Engineering Mechanics

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

πd4/32
πd3/32
πd4/64
πd3/16

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Engineering Mechanics
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces.

Do not lie
Either A or B
None of these
Lie

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Engineering Mechanics
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

Limiting friction
Static friction
Dynamic friction
Coefficient of friction

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Engineering Mechanics
If a number of forces are acting at a point, their resultant is given by

√[(∑V)2 +(∑H)2 +2(∑V)(∑H)]
√[(∑V)2 + (∑H)2]
(∑V)2 +(∑H)2 +2(∑V)(∑H)
(∑V)2 + (∑H)2

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Engineering Mechanics
The horizontal range of a projectile (R) is given by

R = u² cosα/g
R = u² cos2α/g
R = u² sin2α/g
R = u² sinα/g

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Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd4/64
πd4/32
πd3/16
πd3/32

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MORE MCQ ON Engineering Mechanics

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