Mining Engineering > GATE 2019 > Mine Ventilation
The main surface fan of a mine as shown in the figure, has characteristic curve approximated by P=1700-10Q where P is pressure in Pa and Q is quantity in m3/s. A booster fan is installed in section A such that there is no air flow in section B. The operating pressure of the main surface fan, in Pa, (rounded off to two decimal places) is ________.
Correct : 858.25
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