1 of 215
Term Definition
What is an auxiliary valve used Any connection between the
for? potable water supply and a
source of contamination
Give this one a try later!
True False
Correct definition
turning off the hydrant for repair or maintenance
2 of 215
Term Definition
Which of the following is the b
proper detention time for
,disinfecting a water storage tank
with water that is mixed with
hypochlorite already in the tank
such that the free chlorine is 10
mg/L after proper detention
time is complete?
a. 6 hours
b. 8 hours
c. 12 hours
d. 24 hours
Give this one a try later!
True False
Correct definition
d
3 of 215
Term Definition
What is the electronic standard a
range?
a. 4 to 20 mA DC
b. 4 to 20 mA AC
c. 0% to 100%
d. 0 to 1 binary
Give this one a try later!
, True False
4 of 215
Definition Term
dry-barrel hydrant What type of fire hydrant is used
in freezing climates?
Give this one a try later!
True False
, 5 of 215
Term Definition
What is the most common injury 104F (40C)
to distribution workers?
Give this one a try later!
True False
Correct definition
back injury
6 of 215
Term Definition
Iron can cause "red water" and b
thus customer complaints when
its concentration is above its
secondary maximum
contaminant level of:
a.) 0.01 mg/L
b.) 0.05 mg/L
c.) 0.10 mg/L
d.) 0.30 mg/L
Give this one a try later!
Term Definition
What is an auxiliary valve used Any connection between the
for? potable water supply and a
source of contamination
Give this one a try later!
True False
Correct definition
turning off the hydrant for repair or maintenance
2 of 215
Term Definition
Which of the following is the b
proper detention time for
,disinfecting a water storage tank
with water that is mixed with
hypochlorite already in the tank
such that the free chlorine is 10
mg/L after proper detention
time is complete?
a. 6 hours
b. 8 hours
c. 12 hours
d. 24 hours
Give this one a try later!
True False
Correct definition
d
3 of 215
Term Definition
What is the electronic standard a
range?
a. 4 to 20 mA DC
b. 4 to 20 mA AC
c. 0% to 100%
d. 0 to 1 binary
Give this one a try later!
, True False
4 of 215
Definition Term
dry-barrel hydrant What type of fire hydrant is used
in freezing climates?
Give this one a try later!
True False
, 5 of 215
Term Definition
What is the most common injury 104F (40C)
to distribution workers?
Give this one a try later!
True False
Correct definition
back injury
6 of 215
Term Definition
Iron can cause "red water" and b
thus customer complaints when
its concentration is above its
secondary maximum
contaminant level of:
a.) 0.01 mg/L
b.) 0.05 mg/L
c.) 0.10 mg/L
d.) 0.30 mg/L
Give this one a try later!
