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

G.I₂

G².I₂

I₂/G

I₂/G²

G.I₂

G².I₂

I₂/G

I₂/G²

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Theory of Machine
The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

(R - r₁) (1 - sinθ)

R (1 - sinθ)

(R - r₁) (1 - cosθ)

R (1 - cosθ)

(R - r₁) (1 - sinθ)

R (1 - sinθ)

(R - r₁) (1 - cosθ)

R (1 - cosθ)

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Theory of Machine
A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if

All of these

The sum of the two masses is equal to the total mass of body

The center of gravity of the two masses coincides with that of the body

The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body

All of these

The sum of the two masses is equal to the total mass of body

The center of gravity of the two masses coincides with that of the body

The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body

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Theory of Machine
The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

cosφ - sinα = c/b

cotφ - cotα = c/b

tanφ + cotα = b/c

sinφ + sinα = b/c

cosφ - sinα = c/b

cotφ - cotα = c/b

tanφ + cotα = b/c

sinφ + sinα = b/c

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Theory of Machine
The Hooke's joint consists of:

Three forks

Four forks

One fork

Two forks

Three forks

Four forks

One fork

Two forks

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Theory of Machine
The unbalanced primary forces in a reciprocating engine are

Balanced completely

Balanced partially

Balanced by secondary forces

Not balanced

Balanced completely

Balanced partially

Balanced by secondary forces

Not balanced

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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 displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

Theory of Machine A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if

Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

Theory of Machine The Hooke's joint consists of:

Theory of Machine The unbalanced primary forces in a reciprocating engine are

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 displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

Theory of Machine
A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if

Theory of Machine
The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)

Theory of Machine
The Hooke's joint consists of:

Theory of Machine
The unbalanced primary forces in a reciprocating engine are