дано КПД=0,8 T2=22+273=295К T1- ?КПД=(T1-T2)/T1=1-T2/T1T2/T1=1-0,8T1=T2/0,2=295/0,2=1475 К
t1=1475-273 (C)
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дано КПД=0,8 T2=22+273=295К T1- ?
КПД=(T1-T2)/T1=1-T2/T1
T2/T1=1-0,8
T1=T2/0,2=295/0,2=1475 К
t1=1475-273 (C)