Question: A reversible engine, as shown in Fig. 2.60 during a cycle of operation draws (5 mathrm{MJ}) from the (400 mathrm{~K}) reservoir and does (840 mathrm{~kJ})

A reversible engine, as shown in Fig. 2.60 during a cycle of operation draws $5 \mathrm{MJ}$ from the $400 \mathrm{~K}$ reservoir and does $840 \mathrm{~kJ}$ of work. Find the amount and direction of heat interaction with other reservoirs.

200 K 300 K 400 K Q3 E Q2 Q = 5

200 K 300 K 400 K Q3 E Q2 Q = 5 MJ W = 840 kJ Fig. 2.60

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