WATER DISTRIBUTION QUESTIONS WITH DETAILED
VERIFIED AND 100% ACCURATE ANSWERS
Potable water may be defined as:
a. Any water that occasionally may be polluted from another source
b. Any water that, according to recognized standards, is safe for
consumption
c. Water high in organic content
d. Water that has been transported from outside the service area Correct
Answers b). Any water that according to recognized standard is safe for
human consumption.
To prevent the entry of surface contamination into a well is the purpose
of:
a. The well casing
b. The louvers or slots
c. Well development
d. The sanitary seal Correct Answers d) The Sanitary Seal
Pure water will exhibit a pH value of?
a. 0.0
b. 7.0
c. 10.5
,d. 14.0 Correct Answers b) 7.0
A pH reading of 6.0 units indicates that the water sample is:
a. Very acidic
b. Slightly alkaline
c. Very alkaline
d. Slightly acidic Correct Answers d) Slightly Acidic
In drinking water quality, "TDS" is the abbreviation for?
a)Total digestable substances
b) Total dissolved solids
c) Time-delayed sicknesses
d) Terminal diseases started Correct Answers b) Total Dissolved Solids
In drinking water regulations, the abbreviation "MCL" stands for?
a) Maximum contaminant level
b) Multiple constituent levels
c) Most common level
d) Minimum considered legal Correct Answers a) Maximum
contaminant level
,The MBAS method is used to determine levels of which of the following
drinking water constituents? Correct Answers Forming Agent
In water quality, the symbol "mg/L" is equivalent to:
a. Micrograms per liter
b. Parts per million
c. Parts per billion
d. Mostly good levels Correct Answers b) Parts per million
The term "clearwell" refers to a? Correct Answers Reservoir at the outlet
of a water treatment plant.
A mechanical device often employed to prevent the over-filling and/ on
over-draining of distribution system reservoir is the? Correct Answers
Altitude Valve
The primary cause of water quality deterioration in distribution system
is? Correct Answers Water age
The term "Springline" applies to? Correct Answers The midline of a
pipeline
, When possible, a water main should be tapped while still pressurized to?
Correct Answers Minimize contamination risk
A connection made into a water main that is full of under pressure is
called a?
a. Cross connection
b. Valve box
c. Wet tap
d. Spinal tap Correct Answers c) Wet tap
A special valve that is used almost exclusively to facilitate making
connections to pipeline is the?
a. Gate valve
b. Corporation stop
c. Altitude valve
d. Auxiliary valve Correct Answers b) Corporation Stop
Which of the following gases will deaden the sense of smell?
a. Carbon dioxide
b. Hydrogen sulfide
c. Methane
VERIFIED AND 100% ACCURATE ANSWERS
Potable water may be defined as:
a. Any water that occasionally may be polluted from another source
b. Any water that, according to recognized standards, is safe for
consumption
c. Water high in organic content
d. Water that has been transported from outside the service area Correct
Answers b). Any water that according to recognized standard is safe for
human consumption.
To prevent the entry of surface contamination into a well is the purpose
of:
a. The well casing
b. The louvers or slots
c. Well development
d. The sanitary seal Correct Answers d) The Sanitary Seal
Pure water will exhibit a pH value of?
a. 0.0
b. 7.0
c. 10.5
,d. 14.0 Correct Answers b) 7.0
A pH reading of 6.0 units indicates that the water sample is:
a. Very acidic
b. Slightly alkaline
c. Very alkaline
d. Slightly acidic Correct Answers d) Slightly Acidic
In drinking water quality, "TDS" is the abbreviation for?
a)Total digestable substances
b) Total dissolved solids
c) Time-delayed sicknesses
d) Terminal diseases started Correct Answers b) Total Dissolved Solids
In drinking water regulations, the abbreviation "MCL" stands for?
a) Maximum contaminant level
b) Multiple constituent levels
c) Most common level
d) Minimum considered legal Correct Answers a) Maximum
contaminant level
,The MBAS method is used to determine levels of which of the following
drinking water constituents? Correct Answers Forming Agent
In water quality, the symbol "mg/L" is equivalent to:
a. Micrograms per liter
b. Parts per million
c. Parts per billion
d. Mostly good levels Correct Answers b) Parts per million
The term "clearwell" refers to a? Correct Answers Reservoir at the outlet
of a water treatment plant.
A mechanical device often employed to prevent the over-filling and/ on
over-draining of distribution system reservoir is the? Correct Answers
Altitude Valve
The primary cause of water quality deterioration in distribution system
is? Correct Answers Water age
The term "Springline" applies to? Correct Answers The midline of a
pipeline
, When possible, a water main should be tapped while still pressurized to?
Correct Answers Minimize contamination risk
A connection made into a water main that is full of under pressure is
called a?
a. Cross connection
b. Valve box
c. Wet tap
d. Spinal tap Correct Answers c) Wet tap
A special valve that is used almost exclusively to facilitate making
connections to pipeline is the?
a. Gate valve
b. Corporation stop
c. Altitude valve
d. Auxiliary valve Correct Answers b) Corporation Stop
Which of the following gases will deaden the sense of smell?
a. Carbon dioxide
b. Hydrogen sulfide
c. Methane
