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1. The diagram shows a simple engine. Fuel is burnt to produce heat which raises the temperature of the gas in the cylinder; the gas expands pushing up the piston. Flywbeel Piston Crank HEAT (a) Explain why heat must be lost before the piston can come back down? (b) What energy changes take place in this engine? (c) Draw an energy flow diagram for the engine. (d) Why can't all the energy from the fuel be converted to useful work?

1. The diagram shows a simple engine. Fuel is burnt to produce heat which raises the temperature of the gas in the cylinder; the gas expands pushing up the piston. Flywbeel Piston Crank HEAT (a) Explain why heat must be lost before the piston can come back down? (b) What energy changes take place in this engine? (c) Draw an energy flow diagram for the engine. (d) Why can't all the energy from the fuel be converted to useful work?

Elements Of Electromagnetics
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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1. The diagram shows a simple engine. Fuel is burnt to produce heat which raises the temperature of the gas in the cylinder; the gas expands pushing up the piston. Flywbeel Piston Crank HEAT (a) Explain why heat must be lost before the piston can come back down? (b) What energy changes take place in this engine? (c) Draw an energy flow diagram for the engine. (d) Why can't all the energy from the fuel be converted to useful work?
Transcribed Image Text:1. The diagram shows a simple engine. Fuel is burnt to produce heat which raises the temperature of the gas in the cylinder; the gas expands pushing up the piston. Flywbeel Piston Crank HEAT (a) Explain why heat must be lost before the piston can come back down? (b) What energy changes take place in this engine? (c) Draw an energy flow diagram for the engine. (d) Why can't all the energy from the fuel be converted to useful work?
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