Water Supply & DistributionQuestion 39 of 360
Which joining method is appropriate for Type L copper water tube?
a.Solvent cement
b.Heat fusion like PEX
c.Soldered (brazed) joints with approved fittings
d.Threaded joints cut into the tube wall
Explanation
Copper water tube is joined with soldered or brazed joints using approved fittings (or approved press/mechanical fittings). Solvent cement is for plastics like CPVC/PVC, heat fusion is for certain plastics, and threading the thin copper tube wall is not an approved method.
Law Reference: 2022 California Plumbing Code (CPC) §605.0Practice all 360 questions free — no signup required.
Related questions on this topic
- A pressure-reducing valve is set to deliver 65 psi downstream from a 110 psi street pressure. On a closed system, what additional device is commonly required to accompany the PRV?
- What is the essential difference between back-siphonage and backpressure backflow?
- A meter and service are being sized. The peak demand is 24 gpm at a required 20 psi residual. Available static street pressure is 55 psi, and the total pressure loss budget (meter, elevation, friction, fittings) is calculated at 40 psi. Is the design feasible?
- A mechanical water hammer arrestor uses a sealed piston or bellows with a gas charge. Why is this preferred over an old-style capped air chamber?
- An unprotected submerged inlet exists where a hose lies in a mop bucket filled with dirty water, connected to a faucet under pressure. What type of hazard does this arrangement represent?
- When calculating developed length for water pipe sizing, what does developed length include?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California CSLB C-36 Plumbing Trade Examination · How we review