an ideal machine is one whose efficiency is Options: A . &nbsp Between 60 and 70 % B . &nbsp Between 70 and 80% C . &nbsp Between 80 and 90% D . &nbsp 100%

an ideal machine is one whose efficiency is

Question

An ideal machine is one whose efficiency is

Options:

A . Between 60 and 70 %

B . Between 70 and 80%

C . Between 80 and 90%

D . 100%

Answer: Option D

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