0
Efficiency = useful output power / input power
What else can I help you with?
The efficiency of machines is usually expressed in?
Efficiency is expressed as a factor, like 0.9, or a percentage - the above is equivalent to 90%. An efficiency of 90% means that 90% of the input energy (or a factor of 0.9) is converted into whatever you want to convert it to; the remainder is wasted.
Why a high-efficiency machine is more desirable than a low- efficiency machine?
High-efficiency machines do more for less and are therefore more desirable than a low-efficiency machine.AnswerHigher efficiency means lower energy losses and, therefore, such machines are more economical than low-efficiency machines.
How is a machines mechanical efficiency is calulated?
Mechanical efficiency of a machine is calculated by dividing the actual output of work by the theoretical output of work, and then multiplying by 100 to express it as a percentage. It is expressed as: efficiency = (Actual output / Theoretical output) * 100%. A higher mechanical efficiency indicates that the machine is operating more effectively with less energy loss.
How input work and output work computed on each type of simple machines?
Input work refers to the work done on a machine, which is calculated as the input force multiplied by the input distance. Output work is the work produced by the machine, which is calculated as the output force multiplied by the output distance. The efficiency of a machine is determined by comparing the output work to the input work, with ideal machines having an efficiency of 100%.
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.
The efficiency of machines is usually expressed in?
Efficiency is expressed as a factor, like 0.9, or a percentage - the above is equivalent to 90%. An efficiency of 90% means that 90% of the input energy (or a factor of 0.9) is converted into whatever you want to convert it to; the remainder is wasted.
How efficiency is calculated?
work it out
What is efficiency and how is it calculated?
The efficiency is output divided by input.
How is cholesterol calculated?
by tests and machines
Why doesn't any system have 100 percent efficiency?
frictionIn real machines, as opposed to ideal machines, there is always friction that reduces the efficiency of the machine. Lubricants like oil can be used to reduce friction and improve efficiency.
How is the efficiency of a machine calculated?
Efficiency = useful output power / input power
Describe why a high-efficiency machine is more desirable thana low-efficiency machine?
A high efficiency machine will produce more of what is it that you want with the same power as the low efficiency one. In other words, for a low efficiency machine do as much as a high efficiency one, you have to give it more power (energy).
Why a high-efficiency machine is more desirable than a low- efficiency machine?
High-efficiency machines do more for less and are therefore more desirable than a low-efficiency machine.AnswerHigher efficiency means lower energy losses and, therefore, such machines are more economical than low-efficiency machines.
How is a machines mechanical efficiency is calulated?
Mechanical efficiency of a machine is calculated by dividing the actual output of work by the theoretical output of work, and then multiplying by 100 to express it as a percentage. It is expressed as: efficiency = (Actual output / Theoretical output) * 100%. A higher mechanical efficiency indicates that the machine is operating more effectively with less energy loss.
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.
How input work and output work computed on each type of simple machines?
Input work refers to the work done on a machine, which is calculated as the input force multiplied by the input distance. Output work is the work produced by the machine, which is calculated as the output force multiplied by the output distance. The efficiency of a machine is determined by comparing the output work to the input work, with ideal machines having an efficiency of 100%.
What reduces the efficiency of machines?
It would be friction.<3 hope this helped
