13-1. identify and describe the six main parts of a building water supply system
13-1. identify and describe the six main parts of a building water supply system
13-3. identify and describe the two basic types of water supply distribution system used in budlings, and where each will be used.
13-5. what is cavitation and where might it occur?
13-7. what is water hammer, and how can it be reduced in the system?
13-9. what type of pipe materials expand the most with temperature increase?
13-11. how can freezing water damage a pipe and how does damage occur?
13-13. what effect does aging have on different types of pipe? 13-15. during what hours does water usage peak in at home?
13-17. what is meant, in water supply system, by static head and friction head?
13-19. what is the difference between a storage tank water heater and an instantaneous water heater?
13-21. what is the difference between recirculating and non-circulating hot water system, and where would the circulating system most likely be used?
13-23. with respect to a pump, what is pump capacity?
13-25. with respect to a pump, what is brake horsepower?
13-27. with respect to a pump, what is a pump performance curve?
13-29. what is the difference between hard and soft water?
13-31. what are the two types of water softening methods and how do they function?
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