Card 13 / 35: A reciprocating, spark ignition engine takes in an air-fuel mixture at 20°C. It has a compression ratio of 12. The air-to-fuel ratio is 14, and the heating value of the fuel is 70,000 kJ/kg. For an air standard cycle analysis, what is the highest temperature reached in °K? You may assume Cv is approximately 0.7 kJ/kg K and that k=Cp/Cv = 1.4.
A)
7934°K
B)
791°K
C)
5934°K
D)
591°K
E)
1243°K
Answer:
A) 7934°K
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