28825152
Description
Flashcards by Andrew Adams, updated more than 1 year ago
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Created by Andrew Adams
over 4 years ago
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| Question | Answer |
| Water Service Materials | Copper Galvanized Steel Lead PVC CPVC Polyethylene Polybutylene Cast Iron Asbestos Cement Brass |
| Water Supply Materials | Galvanized Steel Copper PB PE CPVC Brass Stainless Steel |
| TP&V tube location in cold climate | 6-12 inches above floor, beside the water heater |
| TP&V discharge in warm climate | 6-24 inches above grade level outside the home |
| Typical problems with a fan-assisted gas water heater | Inoperative blower intake obstructed poor venting arrangement poor wiring |
| why is a trap susceptible to freezing | it is the only DWV pipe that always contains water |
| Materials used for DWV pipe | Copper ABS PVC Cast iron lead galvanized steel brass clay |
| six locations for cross connection in a residence | Faucets below flood rim dishwashers outside hose bibs bidets vegetable sprayer/extendable faucet trap primers |
| typical distance between a fixture and the trap | 24 inches |
| seven problems found with vents | Missing Incomplete Poor arrangement too small or long Island venting issues termination issues automatic air vents |
| 8 problems found with faucets | leaks or drips loose stiff or inoperative cross connection noisy damaged/rusted handles hot/cold reversed clogged aerator inoperative shower diverter |
| 3 faucet related noises | whistle bang chatter |
| 7 problems with hose bibs | leaks or drips stiff or inoperative no back flow prevention loose frozen/split pipe poor slope mechanical damage |
| 7 common problems with bathtubs | leaks rust surface defects cross connections not level overflow leaking slow drains loose/unstable |
| 5 specific areas tile enclosures are prone to damage | faucets soap dishes grab bars windows changes in direction/material |
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