helpppp with image transcript

b) A heat engine is operating on a Carnot cycle and has a thermal efficiency of $75%$ . The waste heat from this engine is rejected to nearby lake with temperature of $2 3^{?} C$ at a rate of $700 kJ / min$ . i) Sketch the schematic diagram of the heat engine. ii) Determine the power out of the engine, $kW$ . iii) Calculate the hot thermal reservoir temperature, $^{?} C$ .

Question

student submitted image, transcription available below

helpppp with image transcript

b) A heat engine is operating on a Carnot cycle and has a thermal efficiency of

75%

. The waste heat from this engine is rejected to nearby lake with temperature of

2 3^{?} C

at a rate of

700 kJ / min

. i) Sketch the schematic diagram of the heat engine. ii) Determine the power out of the engine,

kW

. iii) Calculate the hot thermal reservoir temperature,

^{?} C

.

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