ONLY PART DA light airplanes gasoline engine in an airplane, operating at 2.40 ✕ 103 rev/min, takes in energy 8.00 ✕ 103 J and exhausts 4.55 ✕ 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? 28.58 L/h(b)What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower. 184.98 hp(c)What is the torque (in N · m) exerted by the crankshaft on the load? 549.08 N · m(d)What power (in W) must the exhaust and cooling system transfer out of the engine? __________W

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Answered: ONLY PART D A light airplanes gasoline…

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 22.6P: A multicylinder gasoline engine in an airplane, operating at 2.50 103 rev/min, takes in energy 7.89...

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ONLY PART D

A light airplanes gasoline engine in an airplane, operating at 2.40 ✕ 10³ rev/min, takes in energy 8.00 ✕ 10³ J and exhausts 4.55 ✕ 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?

28.58 L/h

(b)

What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower.

184.98 hp

(c)

What is the torque (in N · m) exerted by the crankshaft on the load?

549.08 N · m

(d)

What power (in W) must the exhaust and cooling system transfer out of the engine?

__________W

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