iron pipe size - Answer-Sizing system for steel piping is known as ____ ____ ____.
Plastic pipe - Answer-______ _____ used for drainage waste and vent (DWV) installations is manufactured using IPS, and the inside diameter varies based on the wall thickness
wall thickness - Answer-Three common...
Plumbing Exam 1 Questions and
Answers
iron pipe size - Answer-Sizing system for steel piping is known as ____ ____ ____.
Plastic pipe - Answer-______ _____ used for drainage waste and vent (DWV)
installations is manufactured using IPS, and the inside diameter varies based on the
wall thickness
wall thickness - Answer-Three common ___ _______ classifications are Schedule (S)
10, 40, and 80.
UV rays - Answer-All plastic pipe and tubing must be protected from long-term ___
_____
flammable - Answer-All plastic piping is ________, and, when ignited, causes toxic
fumes
soil - Answer-Many codes limit the burial depth of many plastic materials due to the
weight of ____ on the pipe
nominal - Answer-Pipe and tubing are ordered based on their ______ diameter.
material - Answer-The wall thickness of a pipe varies with the ______ type.
interior diameter - Answer-The ______ _____ is used to determine flow requirements
for specific types of piping.
polyvinyl chloride - Answer-PVC is the abbreviation for _______ _____
140 - Answer-All PVC used for residential applications has a maximum temperature
rating of ___ Fahrenheit (F).
180 - Answer-Pipe or tubing for water distribution systems must be rated at ____° F at
100 psi pressure
PVC - Answer-_____ Cannot be used for water distribution within the interior of a
residence
gravity-type - Answer-Cellular-core PVC is known as foam-core, and can only be used
for __________ systems
, chlorinated - Answer-CPVC is the abbreviation for ______ polyvinyl chloride
CPVC - Answer-____ Is used for water distribution systems
ABS Pipe - Answer-_____ _____It is black in color and used to install DWV systems.
OD - Answer-The __ of ABS pipe is manufactured to IPS standards.
Polyethylene Pipe - Answer-It is used for water service installations and is not allowed
by code to be installed on the interior of a residential building.
It is black in color and typically sold in rolls of 100'-0".
Polyethylene Pipe - Answer-It is commonly used for well pump installations because of
its long lengths and durability in cold conditions.
PEX - Answer-___ is the abbreviation for cross-linked polyethylene
It is used for water distribution systems
Cast iron - Answer-____ ____ pipe is often used for vertical installations in a residential
DWV system to silence the water flow.
no-hub, service weight - Answer-The two different types of cast iron (CI) most
commonly used in plumbing systems are ______ (NH) and _____ ______ (SV).
galvanized, black - Answer-Two types most commonly used in residential plumbing are
________ and _____ steel. It is used for gas supply piping for residential applications.
gas - Answer-CSST is a new product for ___distribution.
Yellow - Answer-______ is an approved industry standard color to identify gas piping
flexible - Answer-Rigid gas piping such as black steel can leak after a small earthquake,
while ______ tubing can absorb the shock and move with a structure
22-1/2 - Answer-A _____ degree fitting is designed for a drainage waste and vent
(DWV) system.
Male Adapter - Answer-It has external threads on one end and a socket connection on
the other end.
Female Adapter - Answer-It has internal threads on one end and a socket on the other
end.
wye - Answer-A ____has three connections and is named based on its similarity to the
letter Y.
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