A Very Efficient Engine Has the Following Characteristics - Combustion $^{\circ}$

question 57

Multiple Choice

A very efficient engine has the following characteristics - combustion = 1900 $^{\circ}$ C, exhaust = 430 $^{\circ}$ C, 7.0 $\times$ 10⁹ cal of fuel produces 1.4 $\times$ 10⁷ J of work in one hour.What is the output in hp?

• A) 5.2 hp
• B) 8.1 hp
• C) 7.3 hp
• D) 6.3 hp

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