WATER DISTRIBUTION D2 TEST
ASSESSMENTS & QUIZZES WITH
CORRECT SOLUTIONS A+ GRADED
K
C
LO
YC
D
U
ST
,New polyvinyl chloride pipe has a C value of about
150+
A plat is a
Map
The inlet thread on a standard AWWA corporation stop is called a _____ thread
Mueller thread
K
_______ head is the amount of energy in feet that a pump supplies to a fluid
C
Pump
LO
Which type of temperature measuring devices uses two wires of different materials
Thermocouple
A _____ valve is a special kind of check valve
YC
Foot
A ______ joint is not flexible and therefore should not be buried
Flanged
D
Where is the lantern ring and packing held in a centrifugal pump
Stuffing Box
U
The amount of liquid that can be raised vertically by a given pressure is called?
ST
Pressure Head
From the list below , select a type of joint for polyvinyl chloride piping
A)Restrained Joint
B)Thermal Butt-fusion
C)Expansion Joint
D)Bell and spigot Type
Bell and Spigot type
, From the choices below , select the type of joint used for concrete piping
A) Flanged Joint
B)Push-on Joint
C)Bell and Spigot type
D)Expansion Joint
Bell and Spigot type
What is used to stop air leakage into the casing around a pump shaft when the pump is
operating under suction lift conditions
K
Lantern Ring
C
What type of valve usually serves as the pump suction isolation valve ?
Gate valve
LO
Which agency sets legal limits on the concentration levels of harmful contaminants in public
water systems ?
United States Environmental Protection Agency
YC
What type of pipe is durable , strong , has high flexural strength, is corrosion resistant, and is
easily tapped ?
Ductile Iron
D
What is one advantage chlorine has over the other disinfectants?
Chlorine has a persistent residual
U
The correct protective methods for back-flow-prevention devices in order of most effective to
least effective ?
ST
Air gap, RPZ, DCVS, and VB
Data manipulations using the basic elements of automated mapping, facility management, and
geographic information systems are often used for distribution system _______ and _______.
Modeling & Analysis
What type of temperature sensor uses a semi-conductive material
Thermistors
ASSESSMENTS & QUIZZES WITH
CORRECT SOLUTIONS A+ GRADED
K
C
LO
YC
D
U
ST
,New polyvinyl chloride pipe has a C value of about
150+
A plat is a
Map
The inlet thread on a standard AWWA corporation stop is called a _____ thread
Mueller thread
K
_______ head is the amount of energy in feet that a pump supplies to a fluid
C
Pump
LO
Which type of temperature measuring devices uses two wires of different materials
Thermocouple
A _____ valve is a special kind of check valve
YC
Foot
A ______ joint is not flexible and therefore should not be buried
Flanged
D
Where is the lantern ring and packing held in a centrifugal pump
Stuffing Box
U
The amount of liquid that can be raised vertically by a given pressure is called?
ST
Pressure Head
From the list below , select a type of joint for polyvinyl chloride piping
A)Restrained Joint
B)Thermal Butt-fusion
C)Expansion Joint
D)Bell and spigot Type
Bell and Spigot type
, From the choices below , select the type of joint used for concrete piping
A) Flanged Joint
B)Push-on Joint
C)Bell and Spigot type
D)Expansion Joint
Bell and Spigot type
What is used to stop air leakage into the casing around a pump shaft when the pump is
operating under suction lift conditions
K
Lantern Ring
C
What type of valve usually serves as the pump suction isolation valve ?
Gate valve
LO
Which agency sets legal limits on the concentration levels of harmful contaminants in public
water systems ?
United States Environmental Protection Agency
YC
What type of pipe is durable , strong , has high flexural strength, is corrosion resistant, and is
easily tapped ?
Ductile Iron
D
What is one advantage chlorine has over the other disinfectants?
Chlorine has a persistent residual
U
The correct protective methods for back-flow-prevention devices in order of most effective to
least effective ?
ST
Air gap, RPZ, DCVS, and VB
Data manipulations using the basic elements of automated mapping, facility management, and
geographic information systems are often used for distribution system _______ and _______.
Modeling & Analysis
What type of temperature sensor uses a semi-conductive material
Thermistors
