Water distribution 2 Latest exam
questions and answers Newest RATED
A+
Plastic - CORRECT ANSWER-Most resistant to corrosion
Chlorine gas - CORRECT ANSWER-heavier than air, extremely toxic, very corrosive to
damp atmospheres
Centrifugal pump - CORRECT ANSWER-Most common pump, used for high flow, and
low pressure applications booster pumps
Positive displacement pump - CORRECT ANSWER-For low flow, high pressure
applications. Chemical feed pumps are this type
Drawdown - CORRECT ANSWER-The difference in water levels from the point where
the pump starts and stops.
DC current - CORRECT ANSWER-Electric current used for cathodic protection.
Suction head - CORRECT ANSWER-Vertical distance from the surface of water supply
to the centerline of the pump
Pathogenic bacteria - CORRECT ANSWER-Salmonella, shigella, bacillus, typhoid
fever, cholera
Physical disinfection - CORRECT ANSWER-Ultraviolet rays, heat, and ultrasonic waves
Chemical disinfection - CORRECT ANSWER-Iodine, bromine, bases, ozone, and
chlorine
Chlorine - CORRECT ANSWER-Greenish yellow gas, that is two and a half times
heavier than air
Chloramines - CORRECT ANSWER-When chlorine reacts to ammonia it's called
questions and answers Newest RATED
A+
Plastic - CORRECT ANSWER-Most resistant to corrosion
Chlorine gas - CORRECT ANSWER-heavier than air, extremely toxic, very corrosive to
damp atmospheres
Centrifugal pump - CORRECT ANSWER-Most common pump, used for high flow, and
low pressure applications booster pumps
Positive displacement pump - CORRECT ANSWER-For low flow, high pressure
applications. Chemical feed pumps are this type
Drawdown - CORRECT ANSWER-The difference in water levels from the point where
the pump starts and stops.
DC current - CORRECT ANSWER-Electric current used for cathodic protection.
Suction head - CORRECT ANSWER-Vertical distance from the surface of water supply
to the centerline of the pump
Pathogenic bacteria - CORRECT ANSWER-Salmonella, shigella, bacillus, typhoid
fever, cholera
Physical disinfection - CORRECT ANSWER-Ultraviolet rays, heat, and ultrasonic waves
Chemical disinfection - CORRECT ANSWER-Iodine, bromine, bases, ozone, and
chlorine
Chlorine - CORRECT ANSWER-Greenish yellow gas, that is two and a half times
heavier than air
Chloramines - CORRECT ANSWER-When chlorine reacts to ammonia it's called
