A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

G².I₂

I₂/G²

I₂/G

G.I₂

G².I₂

I₂/G²

I₂/G

G.I₂

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Theory of Machine
The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

Two planes

Four planes

A single plane

Three planes

Two planes

Four planes

A single plane

Three planes

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Theory of Machine
The frictional torque transmitted by a disc or plate clutch is same as that of

Flat collar bearing

Flat pivot bearing

Truncated conical pivot bearing

Conical pivot bearing

Flat collar bearing

Flat pivot bearing

Truncated conical pivot bearing

Conical pivot bearing

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Theory of Machine
A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

2 W CE / CS

W CS / 2CE

W CE / 2CS

W CE / CS

2 W CE / CS

W CS / 2CE

W CE / 2CS

W CE / CS

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Theory of Machine
Shaft revolving in a bearing is the following type of pair

Higher pair

Lower pair

Cylindrical pair

Spherical pair

Higher pair

Lower pair

Cylindrical pair

Spherical pair

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

²/₃ μWR

¾μWR

½μWR

μwr

²/₃ μWR

¾μWR

½μWR

μwr

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Theory of Machine

Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

Theory of Machine The frictional torque transmitted by a disc or plate clutch is same as that of

Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

Theory of Machine Shaft revolving in a bearing is the following type of pair

Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

Theory of Machine
The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

Theory of Machine
The frictional torque transmitted by a disc or plate clutch is same as that of

Theory of Machine
A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

Theory of Machine
Shaft revolving in a bearing is the following type of pair

Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)