WSS CHAPTER 3 EXAM QUESTIONS
AND ANSWERS
___ develops voluntary standards that enhance public safety, health, and quality of life
as well as facilitate innovation, trade, and competitiveness. - Answer-ASME
The ___ publishes the 2018 Uniform Plumbing Code (UPC). - Answer-International
Association of Plumbing and Mechanical Officials (IAPMO)
The Reduction of Lead in Drinking Water Act (RLDWA) redefined the maximum limit of
the amount of lead in the component that is in contact with potable water (wetted
surface) to the weighted average of ___%. - Answer-0.25
The color used to identify drawn copper tube is ___ for Type K. - Answer-Green
Pipe 1" and larger should be supported horizontally every ___'. - Answer-12
A(n) ___ is used to provide an area for tubing to expand and contract without stressing
pipe or fittings. - Answer-Expansion loop
Schedule 40 PVC pipe and fittings are ___. - Answer-White
Two-step solvent cement is ___ in color. - Answer-Orange
PE-AL-PE pipe 1/2" (13 mm) to 1" (25 mm) should have horizontal above-ground
supports at ___" intervals. - Answer-98
The silane method of manufacturing PEX tubing involves grafting a reactive silane
molecule to the backbone of the polyethylene molecule and is referred to as the ___
process. - Answer-Pex-B
A ___ is a coupling that connects two different types of pipe or tube, such as ductile-iron
pipe to PVC pipe. - Answer-Transition Coupling
A(n) ___ is a device used to regulate fluid (liquid or gas) flow within a system. - Answer-
Valve
A ___-wedge disc gate valve is a gate valve that contains two halves of a split disc that
are separated by a spud. - Answer-Flexible
A ___ valve is used to control fluid flow and consists of a rotating disc that seats against
a resilient material within the valve body. - Answer-Butterfly
AND ANSWERS
___ develops voluntary standards that enhance public safety, health, and quality of life
as well as facilitate innovation, trade, and competitiveness. - Answer-ASME
The ___ publishes the 2018 Uniform Plumbing Code (UPC). - Answer-International
Association of Plumbing and Mechanical Officials (IAPMO)
The Reduction of Lead in Drinking Water Act (RLDWA) redefined the maximum limit of
the amount of lead in the component that is in contact with potable water (wetted
surface) to the weighted average of ___%. - Answer-0.25
The color used to identify drawn copper tube is ___ for Type K. - Answer-Green
Pipe 1" and larger should be supported horizontally every ___'. - Answer-12
A(n) ___ is used to provide an area for tubing to expand and contract without stressing
pipe or fittings. - Answer-Expansion loop
Schedule 40 PVC pipe and fittings are ___. - Answer-White
Two-step solvent cement is ___ in color. - Answer-Orange
PE-AL-PE pipe 1/2" (13 mm) to 1" (25 mm) should have horizontal above-ground
supports at ___" intervals. - Answer-98
The silane method of manufacturing PEX tubing involves grafting a reactive silane
molecule to the backbone of the polyethylene molecule and is referred to as the ___
process. - Answer-Pex-B
A ___ is a coupling that connects two different types of pipe or tube, such as ductile-iron
pipe to PVC pipe. - Answer-Transition Coupling
A(n) ___ is a device used to regulate fluid (liquid or gas) flow within a system. - Answer-
Valve
A ___-wedge disc gate valve is a gate valve that contains two halves of a split disc that
are separated by a spud. - Answer-Flexible
A ___ valve is used to control fluid flow and consists of a rotating disc that seats against
a resilient material within the valve body. - Answer-Butterfly
