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Darya0192
Darya0192
03.03.2023 20:53 •  Физика

Определить кпд паровой турбины, если пар на турбину поступает при температуре +157 oс. температура окружающей среды +25 oс.

👇
Ответ:
ankka1600
ankka1600
03.03.2023

КПД= (Т нагр- Т холод)/ T нагрев *100%

КПД= (157- 25)/ 157 * 100%= 84%

4,8(68 оценок)
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Ответ:
n1kitat
n1kitat
03.03.2023

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Must Waste More Time...


3. 200 грам ВОДЫ при температуре 15 °С смешали с 300 грамм водой при температуре 90°с. Найдите устан
4,6(84 оценок)
Ответ:
Aynur123455
Aynur123455
03.03.2023

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Must Waste More Time...


Дано: U₁=15V, I₂=50мА, U₃=30V, R1=1000 , R₂=700 , R₃=500 Знайти: P₁₂ , Ii , Ui , Pu₁ ?
4,8(51 оценок)
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