According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

Engineering Mechanics
According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

IP = IG / Ah2

IP = IG - Ah2

IP = Ah2 / IG

IP = IG + Ah2

IP = IG / Ah2

IP = IG - Ah2

IP = Ah2 / IG

IP = IG + Ah2

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

bd³/12

bd³/36

db³/36

db³/12

bd³/12

bd³/36

db³/36

db³/12

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Engineering Mechanics
An ideal machine is one whose efficiency is

Between 80 and 90%

1

Between 60 and 70 %

Between 70 and 80%

Between 80 and 90%

1

Between 60 and 70 %

Between 70 and 80%

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Engineering Mechanics
Static friction is always __________ dynamic friction.

Equal to

Less than

None of these

Greater than

Equal to

Less than

None of these

Greater than

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Engineering Mechanics
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

Their algebraic sum is zero

Their lines of action are at equal distances

The algebraic sum of their moments about any point in their plane is zero

The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

Their algebraic sum is zero

Their lines of action are at equal distances

The algebraic sum of their moments about any point in their plane is zero

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Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Greater than

Equal to

Less than

None of these

Greater than

Equal to

Less than

None of these

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Engineering Mechanics

Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

Engineering Mechanics An ideal machine is one whose efficiency is

Engineering Mechanics Static friction is always __________ dynamic friction.

Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

Engineering Mechanics
An ideal machine is one whose efficiency is

Engineering Mechanics
Static friction is always __________ dynamic friction.

Engineering Mechanics
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.