UPDATED (QUESTIONS AND ANSWERS) ALREADY PASSED!
New polyvinyl chloride pipe has a C value of about Correct Answers
150+
A plat is a Correct Answers Map
The inlet thread on a standard AWWA corporation stop is called a
_____ thread Correct Answers Mueller thread
_______ head is the amount of energy in feet that a pump supplies to a
fluid Correct Answers Pump
Which type of temperature measuring devices uses two wires of
different materials Correct Answers Thermocouple
A _____ valve is a special kind of check valve Correct Answers Foot
A ______ joint is not flexible and therefore should not be buried Correct
Answers Flanged
Where is the lantern ring and packing held in a centrifugal pump Correct
Answers Stuffing Box
,The amount of liquid that can be raised vertically by a given pressure is
called? Correct Answers 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 Correct Answers 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 Correct Answers 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 Correct
Answers Lantern Ring
What type of valve usually serves as the pump suction isolation valve ?
Correct Answers Gate valve
Which agency sets legal limits on the concentration levels of harmful
contaminants in public water systems ? Correct Answers United States
Environmental Protection Agency
, What type of pipe is durable , strong , has high flexural strength, is
corrosion resistant, and is easily tapped ? Correct Answers Ductile Iron
What is one advantage chlorine has over the other disinfectants? Correct
Answers Chlorine has a persistent residual
The correct protective methods for back-flow-prevention devices in
order of most effective to least effective ? Correct Answers 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 _______. Correct Answers
Modeling & Analysis
What type of temperature sensor uses a semi-conductive material
Correct Answers Thermistors
From the list below , choose the type of pipe that would most likely
collapse or become distorted under a partial vacuum
A)Asbestos-Cement
B)Cast Iron
C)Steel
D)Plastic Correct Answers Steel