N = 36 кВт = 36 × 10⁶ Вт
t = 6 год = 2,16 × 10⁴
m = 60 л
q = 46 × 10⁶ Дж/кг
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η - ?
η = Ак / Ап
Ак = N × t
Aп = Q = mq
η = N × t / mq × 100% = 36 × 10⁶ × 2,16 × 10⁴ / 46 × 10⁶ Дж/кг × 60 × 100% = 28,1 %
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Дано:
N = 36 кВт = 36 × 10⁶ Вт
t = 6 год = 2,16 × 10⁴
m = 60 л
q = 46 × 10⁶ Дж/кг
--------------------------------------
η - ?
Розв'язок:
η = Ак / Ап
Ак = N × t
Aп = Q = mq
η = N × t / mq × 100% = 36 × 10⁶ × 2,16 × 10⁴ / 46 × 10⁶ Дж/кг × 60 × 100% = 28,1 %