Question
Download Solution PDFA diesel power station has fuel consumption 0.28 kg per kWh, the calorific value of fuel being 10000 kcal/kg. The overall efficiency of the station is
(Heat produced equivalent of 1 KWh = 860 KCal)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
The overall efficiency of the diesel power station is given by:
\(η={Electrical\space output\space in\space heat \space units \over Heat\space combustion }\)
Calculation
Heat produced by 0·28 kg of diesel = 10,000 × 0·28 = 2800 kcal
Heat equivalent of 1 kWh = 860 kcal
\(η={860\over 2800}=0.307\)
η = 30.7 %
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