Answer to Question #262692 in Civil and Environmental Engineering for marie

Question

 8.) An air blower is to deliver 40,000 ft3/min. Two U-tube gages measure suction and discharge pressures. The suction gage reads a negative 2′′ of water. The discharge gage, located 3 ft above the point to which the suction gage is attached, reads +3′′ of water. The discharge and suction ducts are of equal diameter. What size motor should be used to drive the blower if the overall efficiency is 68% (γ = 0.0750 lb/ft3 for air)?

Answer 1

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