Mining Engineering > GATE 2020 > Mine Ventilation
Air enters from ambient atmosphere into a level duct of uniform cross-section area 0.2 m2 at a flow rate of 2.0 m3/s and density of 1.2 kg/m3. The entry shock loss factor is 1.0 and the resistance of the duct per meter length is 1.0 Ns2/m8. The static pressure measured at a distance of 20 m from the duct entrance in Pa, is __________. (round off to 1 decimal place).
Correct : -205.0
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