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

G².I₂

I₂/G²

G.I₂

I₂/G

G².I₂

I₂/G²

G.I₂

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Theory of Machine
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

a is +ve and b = 0

a is +ve and b is -ve

a = 0 and b is +ve

a is +ve and b is also +ve

a is +ve and b = 0

a is +ve and b is -ve

a = 0 and b is +ve

a is +ve and b is also +ve

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Theory of Machine
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

[(r² + R²) cosφ]/2

[(r + R) cosφ]/2

[(r + R) sinφ]/2

[(r² + R²) sinφ]/2

[(r² + R²) cosφ]/2

[(r + R) cosφ]/2

[(r + R) sinφ]/2

[(r² + R²) sinφ]/2

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

ω² × QN

ω² × CN

ω² × NO

ω² × CO

ω² × QN

ω² × CN

ω² × NO

ω² × CO

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and stern

To raise the stern and lower the bow

To lower the bow and stern

To raise the bow and lower the stern

To raise the bow and stern

To raise the stern and lower the bow

To lower the bow and stern

To raise the bow and lower the stern

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Theory of Machine
The gear train usually employed in clocks is a

Simple gear train

Differential gear

Reverted gear train

Sun and planet gear

Simple gear train

Differential gear

Reverted gear train

Sun and planet gear

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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 A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

Theory of Machine The gear train usually employed in clocks is a

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
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

Theory of Machine
The gear train usually employed in clocks is a