A multicylinder gasoline engine in an airplane, operating at 2.35 103 rev/min, takes in energy 7.83 103 J and exhausts 4.57 103 J for each revolution of the crankshaft.
(a) How many liters of fuel does it consume in 1.00 h of operation if the heat of combustion of the fuel is equal to 4.03 107 J/L?
L/h
(b) What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower.
hp
(c) What is the torque exerted by the crankshaft on the load?
N · m
(d) What power must the exhaust and cooling system transfer out of the engine?