Efficiency of machine is

Ratio of velocity of effort to velocity of load

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Ratio of the load to its effort

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Ratio of useful work done by the machine to the work put to the machine by its effort

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Solution

The correct option is C Ratio of useful work done by the machine to the work put to the machine by its effort
Mechanical advantage (MA) is the ratio of the load to its effort.
efficiency of machine (n) = MA/VR
Velocity Ratio (VR) is the ratio of the velocity of effort to velocity of load.

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Similar questions

The efficiency of a machine is the ratio of the work done on the load by the machine to the work done on the machine by the effort.

The efficiency of a machine is the ratio of the work done on the ___ by the machine to the work done on the machine by the effort.

A machine has a velocity ratio of 4. It is used to raise a load of 200 N by 4 m using an effort of 20 kgf. Find the work done on the machine. Take $g = 10 m s^{- 2}$ .

A machine has a velocity ratio of 4. It is used to raise a load of 400N by 4m using an effort 20kgf. Find the work done on the machine. Take g = 10 m/s $^{2}$ .

A machine has a velocity ratio of 4. If It is used to raise a load of 400 N by 4 m using an effort of 20kgf, find the work done on the machine. Take g = 10 m/s $^{2}$ .

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Efficiency of machine is

The correct option is C Ratio of useful work done by the machine to the work put to the machine by its effortMechanical advantage (MA) is the ratio of the load to its effort.efficiency of machine (n) = MA/VRVelocity Ratio (VR) is the ratio of the velocity of effort to velocity of load.

The correct option is C Ratio of useful work done by the machine to the work put to the machine by its effort
Mechanical advantage (MA) is the ratio of the load to its effort.
efficiency of machine (n) = MA/VR
Velocity Ratio (VR) is the ratio of the velocity of effort to velocity of load.