IF_Q_REPRESENTS_THE_WORK_OUTPUT,_R_REPRESENTS_THE_WORK_INPUT,_Q_REPRES – McqOptions

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1.	IF_Q_REPRESENTS_THE_WORK_OUTPUT,_R_REPRESENTS_THE_WORK_INPUT,_Q_REPRESENTS_THE_HEAT_INPUT,_THE_EFFICIENCY_N_IN_TERMS_OF_Q_&_R_IS_GIVEN_BY??$
A.	n = (q-r)/Q
B.	n = ( q+r)/Q
C.	n = (qr)/Q
D.	n = (qr x qr)/Q
Answer» B. n = ( q+r)/Q

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