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

G.I₂

I₂/G²

I₂/G

G².I₂

G.I₂

I₂/G²

I₂/G

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Theory of Machine
In a hydrodynamic journal bearing, there is

A forced lubricant between the journal and the bearing

No lubricant between the journal and the bearing

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A thick film of lubricant between the journal and the bearing

A forced lubricant between the journal and the bearing

No lubricant between the journal and the bearing

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

A thick film of lubricant between the journal and the bearing

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

135°

90°

45°

180°

135°

90°

45°

180°

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Theory of Machine
Ackermann steering gear consists of

Rolling pairs

Sliding pairs

Turning pairs

Higher pairs

Rolling pairs

Sliding pairs

Turning pairs

Higher pairs

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Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Product

Sum

Ratio

Difference

Product

Sum

Ratio

Difference

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Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Governor A is more sensitive than governor B

None of these

Governor B is more sensitive than governor A

Both governors A and B are equally sensitive

Governor A is more sensitive than governor B

None of these

Governor B is more sensitive than governor A

Both governors A and B are equally sensitive

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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 In a hydrodynamic journal bearing, there is

Theory of Machine The Coriolis component of acceleration leads the sliding velocity by

Theory of Machine Ackermann steering gear consists of

Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

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
In a hydrodynamic journal bearing, there is

Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

Theory of Machine
Ackermann steering gear consists of

Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that