Question

ORTAL ATTENDANCE ENCLISH (EN) W You can drag and drop files here to add them. -------- --.. A fresh graduate from the IE program in SQU.was asked to check a claim by an inventor who invented a heat engine that according to his claim, can generate 7oo ld of work by releasing heat directly to the atmosphere. The heat released is soo k) and the atmosphere temperature is 250C. The temperature of the heat source is 50000 What is the efficiency of the invented heat engine How can the lE program graduate evaluate the inventor claim Show all steps and evaluate the inven Paragraph

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Ques Given = Heat source temp 38k 2981 le temps 5004292 = 283k 500 1273 = 793k Sink World developed = 700 kJ Head released" - 500KT 17736 . W = QH-QL 700 = PH - 500 (MEW =700 kJ QM = 1200k *PL = 500kJ (1) Efficiency of invented Engure. 27 wact = ho = 0-5833 ix) Evaluation of inventor's clain • Cannot enguie is the most efficient enguie. If the efficiency of heat enguie et les then that of countt's efficiency, then the claim will be valid. I cannot = 1-11 = 1- 298 = 0.6148 " Deanst sn Heat Engure a Inventor's claun is valid 273 un