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Answer Posted / karthick
performance is the rate at which the machine is working.for
ex no of units produced per hr.if the ratio is more then
performance of that machine is said to be high
efficiency is defined as the input given and the work
obtained from that input.for ex some kW of power is
consumed by the machine and that machine is producing some
amount of work with that power.now convert power and work
output into cost and find out the ratio.this ratio is
termed as efficiency
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