TCEQ - Class D Water Review questions |\ |\ |\ |\ |\ |\ |\
with answers |\
Who is authorized to remove a lock and tag placed on a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
piece of equipment to isolate it for maintenance? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Only the person who placed the |\ |\ |\ |\ |\ |\ |\ |\
lock and tag
|\ |\
Although each step of the water treatment process is
|\ |\ |\ |\ |\ |\ |\ |\ |\
important, which process is often referred to as the most |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
important? - CORRECT ANSWERS ✔✔Disinfection |\ |\ |\ |\
What is/are the required locations for vent(s) in a chlorine
|\ |\ |\ |\ |\ |\ |\ |\ |\
gas cylinder storage room? - CORRECT ANSWERS ✔✔At
|\ |\ |\ |\ |\ |\ |\ |\ |\
least one high-level and one floor level vent
|\ |\ |\ |\ |\ |\ |\
A surface water treatment plant is flowing at 3.1 MGD.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
How many gallons per minute (gpm) is this? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔2,153 |\
Which chemical below is a solid form of chlorine that is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
often used by small water systems as their primary
|\ |\ |\ |\ |\ |\ |\ |\ |\
disinfectant? - CORRECT ANSWERS ✔✔Calcium |\ |\ |\ |\ |\
Hypochlorite
,If an operator knows the pumping water level and the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
static water level in a well, he/she will be able to calculate
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the: - CORRECT ANSWERS ✔✔Drawdown
|\ |\ |\ |\ |\
Coagulation by the addition of positively charged ions can |\ |\ |\ |\ |\ |\ |\ |\
also be described as: - CORRECT ANSWERS ✔✔Charge
|\ |\ |\ |\ |\ |\ |\ |\ |\
neutralization
Convert a flow rate of 1,667 gallons per minute (gpm) to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
units of million gallons per day (MGD). - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔2.4 |\
What is the minimum acceptable disinfection residual at
|\ |\ |\ |\ |\ |\ |\ |\
all points of the distribution system? (choose all that
|\ |\ |\ |\ |\ |\ |\ |\ |\
apply) - CORRECT ANSWERS ✔✔0.2 mg/L free chlorine
|\ |\ |\ |\ |\ |\ |\ |\
residual & 0.5 mg/L Chloramine Residual |\ |\ |\ |\ |\
Pipe and fittings used in public water systems may not
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
contain more than ____% lead or solder and flux may not
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
contain more than ____% lead. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔0.25, 0.2 |\
In addition to the normal minimum operating pressure of
|\ |\ |\ |\ |\ |\ |\ |\ |\
35 psi, what is the minimum emergency operating
|\ |\ |\ |\ |\ |\ |\ |\
, pressure a public water supply system should maintain? -|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔20 psi |\ |\ |\
Which of the below options are common types of pumps
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
for use in deep water wells? (choose all that apply) -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Submersible pump & Vertical |\ |\ |\ |\ |\ |\
Turbine Pump |\
How much time does the system operator have to contact
|\ |\ |\ |\ |\ |\ |\ |\ |\
the TCEQ by phone when a contamination event occurs
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
in a public water system? - CORRECT ANSWERS ✔✔24
|\ |\ |\ |\ |\ |\ |\ |\ |\
Hours
What is it called when chlorine is added to a water supply
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
and it is all used up by reacting with iron, organics, or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
bacteria? - CORRECT ANSWERS ✔✔Demand |\ |\ |\ |\
What State Agency is responsible for enforcing the Safe
|\ |\ |\ |\ |\ |\ |\ |\ |\
Drinking Water Act in Texas? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔Texas Commission on Environmental Quality (TCEQ) |\ |\ |\ |\ |\
What are public water systems expected to provide to
|\ |\ |\ |\ |\ |\ |\ |\ |\
their customers at all times? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Proper disinfection of delivered water |\ |\ |\ |\
Sufficient water pressure |\ |\
with answers |\
Who is authorized to remove a lock and tag placed on a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
piece of equipment to isolate it for maintenance? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Only the person who placed the |\ |\ |\ |\ |\ |\ |\ |\
lock and tag
|\ |\
Although each step of the water treatment process is
|\ |\ |\ |\ |\ |\ |\ |\ |\
important, which process is often referred to as the most |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
important? - CORRECT ANSWERS ✔✔Disinfection |\ |\ |\ |\
What is/are the required locations for vent(s) in a chlorine
|\ |\ |\ |\ |\ |\ |\ |\ |\
gas cylinder storage room? - CORRECT ANSWERS ✔✔At
|\ |\ |\ |\ |\ |\ |\ |\ |\
least one high-level and one floor level vent
|\ |\ |\ |\ |\ |\ |\
A surface water treatment plant is flowing at 3.1 MGD.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
How many gallons per minute (gpm) is this? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔2,153 |\
Which chemical below is a solid form of chlorine that is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
often used by small water systems as their primary
|\ |\ |\ |\ |\ |\ |\ |\ |\
disinfectant? - CORRECT ANSWERS ✔✔Calcium |\ |\ |\ |\ |\
Hypochlorite
,If an operator knows the pumping water level and the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
static water level in a well, he/she will be able to calculate
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the: - CORRECT ANSWERS ✔✔Drawdown
|\ |\ |\ |\ |\
Coagulation by the addition of positively charged ions can |\ |\ |\ |\ |\ |\ |\ |\
also be described as: - CORRECT ANSWERS ✔✔Charge
|\ |\ |\ |\ |\ |\ |\ |\ |\
neutralization
Convert a flow rate of 1,667 gallons per minute (gpm) to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
units of million gallons per day (MGD). - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔2.4 |\
What is the minimum acceptable disinfection residual at
|\ |\ |\ |\ |\ |\ |\ |\
all points of the distribution system? (choose all that
|\ |\ |\ |\ |\ |\ |\ |\ |\
apply) - CORRECT ANSWERS ✔✔0.2 mg/L free chlorine
|\ |\ |\ |\ |\ |\ |\ |\
residual & 0.5 mg/L Chloramine Residual |\ |\ |\ |\ |\
Pipe and fittings used in public water systems may not
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
contain more than ____% lead or solder and flux may not
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
contain more than ____% lead. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔0.25, 0.2 |\
In addition to the normal minimum operating pressure of
|\ |\ |\ |\ |\ |\ |\ |\ |\
35 psi, what is the minimum emergency operating
|\ |\ |\ |\ |\ |\ |\ |\
, pressure a public water supply system should maintain? -|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔20 psi |\ |\ |\
Which of the below options are common types of pumps
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
for use in deep water wells? (choose all that apply) -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Submersible pump & Vertical |\ |\ |\ |\ |\ |\
Turbine Pump |\
How much time does the system operator have to contact
|\ |\ |\ |\ |\ |\ |\ |\ |\
the TCEQ by phone when a contamination event occurs
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
in a public water system? - CORRECT ANSWERS ✔✔24
|\ |\ |\ |\ |\ |\ |\ |\ |\
Hours
What is it called when chlorine is added to a water supply
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
and it is all used up by reacting with iron, organics, or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
bacteria? - CORRECT ANSWERS ✔✔Demand |\ |\ |\ |\
What State Agency is responsible for enforcing the Safe
|\ |\ |\ |\ |\ |\ |\ |\ |\
Drinking Water Act in Texas? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔Texas Commission on Environmental Quality (TCEQ) |\ |\ |\ |\ |\
What are public water systems expected to provide to
|\ |\ |\ |\ |\ |\ |\ |\ |\
their customers at all times? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Proper disinfection of delivered water |\ |\ |\ |\
Sufficient water pressure |\ |\
