A coal-burning steam locomotive heats steam to 180 degrees Celsius and exhausts it at 100 degrees Celsius. During 1 second of operation, it consumes 500 million J of energy from the burning coal. According to Table 1 in the picture, how much work can be obtained from this locomotive during 1 second of operation under ideal conditions (no friction or other imperfections)?
A coal-burning steam locomotive heats steam to 180 degrees Celsius and exhausts it at 100 degrees Celsius. During 1 second of operation, it consumes 500 million J of energy from the burning coal. According to Table 1 in the picture, how much work can be obtained from this locomotive during 1 second of operation under ideal conditions (no friction or other imperfections)?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A coal-burning steam locomotive heats steam to 180 degrees Celsius and exhausts it at 100 degrees Celsius. During 1 second of operation, it consumes 500 million J of energy from the burning coal. According to Table 1 in the picture, how much work can be obtained from this locomotive during 1 second of operation under ideal conditions (no friction or other imperfections)?
Transcribed Image Text:= Hobson, Art - Physics _ concepts and connections (2014)
AA
Table 1
Heat engine efficiencies. Typical temperatures, best possible efficiencies, and actual efficiencies
179 of 537
Efficiency (%)
Engine type
Tin(°C)
Tex(CC)
Best possible
Actual
Transportation
Gasoline automobile/truck
700
340
37
20
Diesel auto/truck/locomotive
900
340
48
30
Steam locomotive
180
100
20
10
Steam-electric power plants
Fossil fuel
550
40
60
40
Nuclear fuel
350
40
50
35
Solar powered
225
40
40
30
Ocean-thermal (solar)
25
5
7
???
ANER
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