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In a carnot engine, 1. Is the gas initially at a temperature lower than that of the source?? 2.If not(ie..they are at same T) then how can heat flow between them?? 3.If yes is it like this that first the gas absorbs heat from source and equalise its temperature with that of the source and then expand isothermally at this T ??? 4. Similarly , in adiabatic expansion, how can the gas expand without any heat supplied??? PLEASE HELP ME .......EXAMS APPPROACHING ........ RATES AND VOTES ASSURED........ THANKS IN ADVANCE


In a carnot engine,

1. Is the gas initially at a temperature lower than that of the source??

2.If not(ie..they are at same T) then how can heat flow between them??

3.If yes is it like this that first the gas absorbs heat from source and equalise its temperature with that of the source and then expand isothermally at this T ???

4. Similarly , in adiabatic expansion, how can the gas expand without any heat supplied???

 

PLEASE HELP ME .......EXAMS APPPROACHING ........ RATES AND VOTES ASSURED........ THANKS IN ADVANCE


Grade:9

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