A very efficient engine has the following characteristics-combustion = 1,900°C, exhaust = 430°C, 5.0 × 106 cal of fuel produces 1.4 × 107 J of work in one hour. What is the output in hp? (1 hp = 745.7 W)
A) 5.2 hp
B) 8.1 hp
C) 7.3 hp
D) 6.3 hp
Correct Answer:
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