Pex pipe Study guides, Class notes & Summaries
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![Nccer Plumbing Level 1 Exam Questions with 100% correct Answers](/docpics/63d0ec8c6c1ee_2297980.jpg)
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Nccer Plumbing Level 1 Exam Questions with 100% correct Answers
- Exam (elaborations) • 13 pages • 2023
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The modern word for plumber is derived from the Latin word for - ANSWER-A person who works with lead 
 
LEED applies to all areas of the profession, except - ANSWER-Renovation 
 
Water that comes from laundry and bathtubs and reused in known as - ANSWER-Graywater 
 
Suggested national plumbing standards are called - ANSWER-Model codes 
 
You are offered a job by another contractor before you have fulfilled your current obligations. The professional response is to - ANSWER-Ask the contractor to w...
![Plumbing Tier 1-Final Exam Test Flashcards Questions With Complete Solutions](/docpics/3480154/650d089c83105_3480154_121_171.jpeg)
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Plumbing Tier 1-Final Exam Test Flashcards Questions With Complete Solutions
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The information printed on the outside of copper tubing does not include the joining method. correct answer: True 
 
Because of the pipe material's flexibility, manifold plumbing distribution systems are commonly made using ____. correct answer: PEX pipe 
 
An adjustable wrench is a smooth jawed wrench used for turning nuts, bolts, small pipe fittings and chrome-plated pipe fittings. correct answer: True 
 
_________ can occur due to material failure or poor workmanship. correct answer: Lea...
![Common Plumbing Fittings](/docpics/3484477/650dcf2b6b35e_3484477_121_171.jpeg)
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Common Plumbing Fittings
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Common Plumbing Fittings 
 
45 Degree Elbow 
 
45 Degree Street Elbow 
 
Reducing Bell 
 
Closet Flange 
 
Supply Line Valve 
 
PVC P Trap 
 
Threaded Coupling 
 
Threaded Union 
 
90 Degree Threaded Street Elbow 
 
Threaded Nipple 
 
Threaded Shoulder Nipple 
 
Reducing Bushing 
 
Copper Slip Fit 90 Degree Elbow 
 
Threaded Cap 
 
Threaded T 
 
Threaded 90 Degree Elbow 
 
90 Degree PVC Slip Fit Elbow 
 
Copper Slip Fit Coupling 
 
Chrome Finished P Trap 
 
Bronze Drop Ear Fit...
![MEP SYSTEMS FINAL QUESTIONS AND ANSWERS](/docpics/5394993/664d3857cb9cf_5394993_121_171.jpeg)
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MEP SYSTEMS FINAL QUESTIONS AND ANSWERS
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What are the typical piping support systems? - Answer-Pipe strap, Hanger, Strut (Uni-strut or Kindorf), Beam Clamp 
 
Prevents backflow, requires pressure from fluid to allow mechanism to open - Answer-Check Valve 
 
Typically, full way on or off, but can throttle flow. Also used to divert fluid (3-way, 4-way, etc.) - Answer-Plug Valve 
 
Use hard 90o turns, can be used to throttle flow, typically in water or gas supply lines - Answer-Ball Valve 
 
What are advantages and disadvantages of using ...
![Which action IS required by most standards of practice during the plumbing inspection? A. required to operate automatic safety controls B. required to observe onsite water supply quantity and quality C. required to describe water supply and distribution](/docpics/4673158/65e774dd0a5bc_4673158_121_171.jpeg)
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Which action IS required by most standards of practice during the plumbing inspection? A. required to operate automatic safety controls B. required to observe onsite water supply quantity and quality C. required to describe water supply and distribution
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The Plumbing Inspection: AHIT Questions with Accurate Answers 2024 
Which of the following does NOT have to be inspected during the plumbing inspection? 
 
A. fire and lawn sprinkler systems 
B. fixtures and faucets 
C. water heating equipment 
D. supply and drain, waste, and vent (DWV) piping 
A. fire and lawn sprinkler systems 
 
 
 
Which action IS required by most standards of practice during the plumbing inspection? 
 
A. required to operate automatic safety controls 
B. required to observe...
![Journeyman Plumbing Test (Texas) Questions and Answers 100% Solved](/docpics/4693213/65ea44f095884_4693213_121_171.jpeg)
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Journeyman Plumbing Test (Texas) Questions and Answers 100% Solved
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Journeyman Plumbing Test (Texas) 
Questions and Answers 100% Solved 
Access (to) - answerThat which enables a fixture, appliance or equipment to be reached by 
ready access or by a means that first requires the removal or movement of a panel, door or 
similar obstruction. 
Air Break (Drainage System) - answerA piping arrangement in which a drain from a fixture, 
appliance or device discharges indirectly into another fixture, receptacle or interceptor at a point 
below the flood level rim and abo...
![Plumbing 2023 Exam Questions with Correct Answers](/docpics/3499586/6511bc3cab044_3499586_121_171.jpeg)
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Plumbing 2023 Exam Questions with Correct Answers
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Plumbing 2023 Exam Questions with Correct Answers 
 
Building sewers shall be tested by completely filling the sewer with water from the ______ 
A. Lowest to highest point 
B. Lowest to at least 5' head 
C. Lowest to at least 10' head 
D. Lowest to at least ground level - Answer-C. Lowest to at least 10' head 
 
Hot and cold water piping may be tested with ____ 
A. 40 psi-150 psi water for 10 minutes 
B. 35 psi for at least 15 minutes 
C. 50 psi or the working pressure of the water in the sy...
![Home Inspector Course Exam 2024](/docpics/5153800/6631223a7ae11_5153800_121_171.jpeg)
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Home Inspector Course Exam 2024
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Home Inspector Course Exam 2024 
Type M with a red label - CORRECT ANSWER-What type of copper pipe is the thinnest 
6 feet - CORRECT ANSWER-Minimum horizontal support spacing for 3/4" pipe is.... 
Electolysis - CORRECT ANSWER-Pipe corrosion from copper and galvanized pipe 
contacting each other is due to.... 
Install a brass section - CORRECT ANSWER-To prevent corrosion between copper and 
galvanized pipe in contact 
PVC - CORRECT ANSWER-What type of pipe can't be used in indoor water 
dist...
![COSC 326 - MEP II Test 4 (100% Error-free Answers)](/docpics/3381720/64f81eccc85d2_3381720_121_171.jpeg)
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COSC 326 - MEP II Test 4 (100% Error-free Answers)
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What percent of water comes to houses? correct answers 18 percent 
 
What percent of water goes to agriculture? correct answers 35 percent 
 
Plumbing Pipe Support correct answers Horizontal: every 5 ft, need a hanger 
Vertical: every 15 ft, need a hanger 
 
VTR correct answers vent through roof 
 
Washer and Dryer piping rated at? correct answers 70-80 psi 
 
Pressure in College Station? correct answers 50-60 lbs 
 
DFU correct answers drainage fixture unit 
 
Copper pipe joining method correct...
![Journeyman Plumbing Test (Texas) Questions and Answers 100% Solved](/docpics/4707102/65ecc01757417_4707102_121_171.jpeg)
-
Journeyman Plumbing Test (Texas) Questions and Answers 100% Solved
- Exam (elaborations) • 15 pages • 2024
- Available in package deal
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- $13.49
- + learn more
Journeyman Plumbing Test (Texas) 
Questions and Answers 100% Solved 
Access (to) - answerThat which enables a fixture, appliance or equipment to be reached by 
ready access or by a means that first requires the removal or movement of a panel, door or 
similar obstruction. 
Air Break (Drainage System) - answerA piping arrangement in which a drain from a fixture, 
appliance or device discharges indirectly into another fixture, receptacle or interceptor at a point 
below the flood level rim and abo...
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