SSE JE Electrical Engineering 10 Dec 2020 Papers

Question : 110 of 200

Marks: +1, -0

The overall efficiency of the steam power plant is defined as:

$\text "heat equivalent of mechanical output"/\text "heat of combustion of coal"$
$\text "heat equivalent of electrical output"/\text "heat of combustion of coal"$
$\text "heat equivalent of electrical output"/\text "heat equivalent of mechanical output"$
${ \electrical \output }/ {{ \heat \of \combustion \of \coal }}$

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