Mining Engineering > GATE 2023 > Mine Ventilation
A fan installed in a mine ventilation system circulates 30 m3/s of air to two districts A and B as shown in Figure below. It is desired to increase the quantity of air by 20% in the district B using a booster fan in it. Assuming that the main fan pressure is unchanged, the pressure of the booster fan, in Pa, is ____________. [rounded off to 2 decimal places]


Correct : 138.24
Similar Questions
A rectangular mine airway of 2.0 m width and 2.5 m height has a bend with deflection of π/4 radian. If the radius of curvature of the bend is 4.0 m, the shoc...
A rectangular face of 2.0 m×2.5 m dimension is blasted with 20 kg explosive in a 1000 m long drive. One kilogram of explosive produces 2200 cm3 of nitrous...
To increase the resistance of a mine roadway by 1.5 Ns2m-8, the size in m2 of the regulator to be installed is _________.[rounded off to 2 decimal places]
Total Unique Visitors
Loading......