Copper pipe - Study guides, Class notes & Summaries

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

COSC 325 Houston (plumbing) Questions and Answers SS - Correct Answer️️ -Sanitary Sewer ABS - Correct Answer️️ -Black plastic material VTR - Correct Answer️️ -vent through roof Primary Purpose of roof vent - Correct Answer️️ -Let air into system What division is plumbing - Correct Answer️️ -22 Invert Depth - Correct Answer️️ -elevation of the bottom inside of the pipe DW - Correct Answer️️ -Domestic Water CPVC (chlorinated polyvinyl chloride) - Correct Answer...

C36 Plumbing CSLB Exam | Questions and Answers Graded A+ Latest 2024/2025 Slip joint fittings are not allowed at a waste arm or trip arm On a waste line, what type of fitting can you use? cleanout wye of ¼ bend sanitary tee What would you use to connect GIP (galvanized iron pipe) to copper? brass fitting One gallon of water weighs: 8.33 pounds One psi of water is equal to: 2.31 feet The specific gravity of water is: 1.000 In a solar system, where do you place a pump valve? sup...

1) The three fundamental units of all physical quantities are length, mass, and _________? a) Pressure b) Temperature c) Matter d) Time - ANS d) Time 2) The meter-kilogram-second (MKS) system and the centimeter-gram-second (CGS) are part of the English system of measure? a) True b)False - ANS b) False 3) How many inches are in one meter? a) 1.52 b) 12 c) 39.37 d) 40 - ANS c) 39.37 4) When converting the dimensions of a ________, only the radius has a measur...

TCEQ Class C Water License Exam Questions and Answers Latest Updated 2024/2025 (100% Correct) Graded A+. State Agency responsible for enforcing the safe drinking water act in Texas (Ans- Texas Commission on environmental Quality What minerals can cause water hardness (Ans- Calcium and magnesium A public water system must at all times provide (Ans- Adequate quantity of water, pressure, and disinfection A source groundwater would be (Ans- aquifer Fecal coliform organisms sometimes found in...

Illinois State Plumbing Exam with Correct Answers Chemical substance that does not allow oxides to form on freshly cleaned copper before soldering or brazing. - ANS ️️ Flux Where is an escutcheon ring used? - ANS ️️ The outside of the stub out pipe A waste pipe that discharges into and through an approved open connection. - ANS ️️ Indirect Waste Pipe Which 2 parts of a trap are used to measure the depth of the trap seal? - ANS ️️ The crown weir and the top of the dip of th...

ASPE CPD Study Questions AH with complete solutions. Front - correct answer. Back What is the specific weight of water? - correct answer. 62.4 lbs per cubic foot What happens in a storm and sanitary system after it passes the water test? - correct answer. A smoke pressure test is recommended with a smoke pressure of 1 in wc to prove the system gas tight. Is an air test acceptable for a storm and sanitary system? - correct answer. Yes, if a water test is not poss...

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...

Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - Answer-US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - Answer-Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - Answer-0.080 mg/L Under the Surface Water Treatment Rule, disinfection residuals must be collected at the sam...

Back siphonage - ANSWER backflow due to negative or reduced pressure in water system. occurs during low pressure events such as a line leak Reverse flow caused by a loss of supply pressure Back Pressure - ANSWER Is caused when a potable water system is connected to a non potable supply operating under a higher pressure that pushes contaminated liquid back into the public water system Back Pressure - ANSWER Occurs when the pressure of the connected system exceeds the pressure of the drin...