The term flocculation in water treatment refers to
a. slow mixing of the water with chemicals
b. complete destruction of pathogenic bacteria
c. periodic cleaning of rapid sand filters
d. metabolism of organic waste by bacteria
e. injection of compressed air to increase DO levels
a
You might also like to view...
Explain why gross weight is probably a better measure for pulpwood than the cord
What will be an ideal response?
The greatest disadvantage of drum brakes is ________
A) Lack of power assist action B) Poor parking brake performance C) Brake adjustment D) Brake fade
Carbon steel filler metals are identified by AWS Specification A5.18 and low-alloy steel filler metals are
identified by AWS Specification _____. a. A5.10 b. A5.12 c. A5.24 d. A5.28
The twisting force that must be developed by a motor to turn its load is called:
A) Horsepower. B) Wattage. C) Torque. D) Torsion.