answersLogoWhite

0


Best Answer

The efficiency is output divided by input.

User Avatar

Wiki User

8y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

8y ago

Efficiency of a machine is defined as useful output power divided by input power. And that's also how it is calculated.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is efficiency and how is it calculated?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How efficiency is calculated?

work it out


How is the efficiency of a machine calculated?

Efficiency = useful output power / input power


How is boiler efficiency calculated?

Boiler efficiency is calculated by determining the steam value per hour and dividing it by the amount of fuel which is consumed per hour. By doing this one can determine the efficiency of a boiler.


What is formula of total efficiency?

Total efficiency is calculated by multiplying the efficiency of individual components together. The formula is: Total Efficiency = Efficiency of Component 1 * Efficiency of Component 2 * ... * Efficiency of Component n.


How is a machine's efficiency of a calculated?

Efficiency = useful output power / input power


How do you calculate the efficiency of a machine?

Efficiency is nothing but calculating how the machine is performing for what it has been made for, Efficiency is usually calculated in % as (output/input )X100. for Eg. the Thermal efficiency of an reciprocating gasoline engine can be calculated as follows, Let, the input for an reciprocating engine is 12MJ and its out put is 4MJ then Efficiency is (4/12)X100 = 33%


How can the term business efficiency be explained?

In business efficiency is achieving the goal with least amount of resource consumption. Productivity and effectiveness are calculated by using an efficiency comparison.


What is the formula of efficiency and power?

Efficiency is calculated as output power divided by input power, usually expressed as a percentage. Power is the rate at which work is done or energy is transferred, calculated as the product of force and velocity.


How can a machine's efficiency be calculated?

Machine efficiency can be calculated by dividing the useful output of the machine by its total input, and then multiplying by 100 to express it as a percentage. Useful output could be output energy, work done, or products manufactured, while total input includes energy or fuel consumed. The formula for efficiency is: Efficiency = (Output/Input) x 100%.


What is a specific example of a machine and describe how its mechanical efficiency might be calculated?

An example of a machine is a car engine. Mechanical efficiency can be calculated by comparing the work output (such as the power produced by the engine) to the work input (such as the energy from the fuel). The formula for mechanical efficiency is: Efficiency = (useful work output / total work input) x 100%.


What is the formula of efficiency?

Efficiency is typically calculated as the ratio of actual output to maximum possible output, expressed as a percentage. The formula for efficiency is: Efficiency = (Actual output / Maximum possible output) * 100%.


Is the efficiency of a machine calculated by the ratio or by the product?

The efficiency of a machine is calculated by the ratio of useful output work to the input work, typically expressed as a percentage. This ratio helps determine how well a machine converts input energy into useful work output.