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

I₂/G

G.I₂

G².I₂

I₂/G²

I₂/G

G.I₂

G².I₂

I₂/G²

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Theory of Machine
The working depth of a gear is the radial distance from the

Top of a tooth to the bottom of a tooth

Addendum circle to the clearance circle

Pitch circle to the bottom of a tooth

Pitch circle to the top of a tooth

Top of a tooth to the bottom of a tooth

Addendum circle to the clearance circle

Pitch circle to the bottom of a tooth

Pitch circle to the top of a tooth

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Theory of Machine
In a single slider crank chain

One is a turning pair and three are sliding pairs

Each of the four pairs is a turning pair

Three are turning pairs and one is a sliding pair

Two are turning pairs and two are sliding pairs

One is a turning pair and three are sliding pairs

Each of the four pairs is a turning pair

Three are turning pairs and one is a sliding pair

Two are turning pairs and two are sliding pairs

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Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Iω²

(1/2).Iω²

(1/2). I ω ωP

I ω ωP

Iω²

(1/2).Iω²

(1/2). I ω ωP

I ω ωP

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Pitch circle

Base circle

Outer circle

Prime circle

Pitch circle

Base circle

Outer circle

Prime circle

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Theory of Machine
A spring controlled governor is said to be isochronous when the controlling force

Increases as the radius of rotation decreases

Increases as the radius of rotation increases

Decreases as the radius of rotation increases

Remain constant for all radii of rotation

Increases as the radius of rotation decreases

Increases as the radius of rotation increases

Decreases as the radius of rotation increases

Remain constant for all radii of rotation

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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 working depth of a gear is the radial distance from the

Theory of Machine In a single slider crank chain

Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as

Theory of Machine A spring controlled governor is said to be isochronous when the controlling force

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 working depth of a gear is the radial distance from the

Theory of Machine
In a single slider crank chain

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Theory of Machine
A spring controlled governor is said to be isochronous when the controlling force