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Reported Question / Answer
Q.) The efficiency of a machine is measured by
1)
(Energy Input ⁄ Wasted Energy Output) × 100 %
2)
(Wasted Energy Output ⁄ Energy Input) × 100 %
3)
(Energy Input ⁄ Useful Energy Output) × 100 %
4)
(Useful Energy Output ⁄ Energy Input) × 100 %
5)
NULL
Answer :
4
Thank you for reporting wrong Question / Answer / Options
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Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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