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If a reversible heat engine operating between thermal reservoirs at 800°C and 30°C drives a reversible refrigerator which operates between -15°C and 30°C. The heat supplied to engine is 1900 kJ and there is a net work output of 290 kJ. die Determine (i) The cooling effect Cod (ii) Total heat transfer to 30°C thermal reservoir.

Question-AnswerCategory: PhysicsIf a reversible heat engine operating between thermal reservoirs at 800°C and 30°C drives a reversible refrigerator which operates between -15°C and 30°C. The heat supplied to engine is 1900 kJ and there is a net work output of 290 kJ. die Determine (i) The cooling effect Cod (ii) Total heat transfer to 30°C thermal reservoir.
Mazurek Gravity Staff asked 7 months ago

If a reversible heat engine operating between thermal reservoirs at 800°C and 30°C drives a reversible refrigerator which operates between -15°C and 30°C. The heat supplied to engine is 1900 kJ and there is a net work output of 290 kJ. die Determine (i) The cooling effect Cod (ii) Total heat transfer to 30°C thermal reservoir.

1 Answers
ਸਾਜਿਦ ਅਹਿਮਦ answered 7 months ago

 
 

T3
258k
808 C 2800
+273
Q) 21073K
1900 kJ
04
z
WI
W2
182
2
290KT
T2
30c
301C
303 K
Tzz
2301213
2 303k
-
z
303
1013
21-303
104Q4 +W2
283
Z
Q3
6150.8112 +1073.44
Q3 2 7224. 25/2 KJ
Z
Cooling effect Q4 6150.8112 KJ
Heat Rejected to 30c Reservoir
zQ2t Q3

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