32. A gasoline engine takes in 2500 J of the heat and delivers 500J of mechanical work per cycle. The heat is obtained by burning gasoline with heat of combustion L. = 5.0 x 10 J-g. What is the thermal efficiency of this engine? A. 15% B. 20%* C. 30% D. 14% 33
32. A gasoline engine takes in 2500 J of the heat and delivers 500J of mechanical work per cycle. The heat is obtained by burning gasoline with heat of combustion L. = 5.0 x 10 J-g. What is the thermal efficiency of this engine? A. 15% B. 20%* C. 30% D. 14% 33
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter14: Heat And Heat Transfer Methods
Section: Chapter Questions
Problem 53PE: A person inhales and exhales 2.00 L of 37.0C air, evaporating 4.00102g of water from the lungs and...
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