Engineering, 15.11.2019 03:31 milan44
Based on laboratory testing the settling velocity of alum floc is 0.0014 ft/sec in water at 10c. convert the settling velocity to units of overflow rate in gallonsper day per square foot. what is the retention time in quiescent water in hours for alum floc to settle from the surface of the water to a depth of 10ft ?
what size pipe should be used to supply 82 l/s so that the velocity does not exceed 1 m/s assuming a c =100 ?
the alkalinity of a water sample consists of 12 mg/l of (co3 - ) and 100 mg/l of (hco3 calcculate the alkalinity in milligrams per liters as caco3.
Answers: 2
Engineering, 04.07.2019 18:10, hadellolo8839
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Fluids at rest possess no flow energy. a)- true b)- false
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Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Based on laboratory testing the settling velocity of alum floc is 0.0014 ft/sec in water at 10c. con...
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