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Engineering Mechanics

Engineering Mechanics
A redundant frame is also called __________ frame.

Perfect
None of these
Deficient
Imperfect

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Engineering Mechanics
A force while acting on a body may

Change its motion
Give rise to the internal stresses in it
All of these
Balance the forces, already acting on it

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Engineering Mechanics
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)

P = W tanα
P = W (sinα + μcosα)
P = W tan (α + φ)
P = W (cosα + μsinα)

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Engineering Mechanics
The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is

7mr²/5
2mr²/5
2mr²/3
7mr²/3

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Engineering Mechanics
The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.

More than
Less than
None of These
Equal to

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Engineering Mechanics
The total energy possessed by a system of moving bodies

Varies from point to point
Is constant at every instant
Is minimum in the start and maximum at the end
Is maximum in the start and minimum at the end

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MORE MCQ ON Engineering Mechanics

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