ANSWERS RATED A+
✔✔what is the reaction of bromine and water similar to? - ✔✔chlorine and water
✔✔bromine is much less dependant on what than chlorine for its reactivity? - ✔✔pH Br
vs. Cl
✔✔when testing for bromine, you only test for what? - ✔✔combined bromine
✔✔what deactivates bromine? - ✔✔UV light.
✔✔at what speed compared to unstabilized chlorine does bromine react to UV light -
✔✔slower - cyanuric acid stabilizes chlorine
bromine cant handle UV light
✔✔at what speed compared to stabilized chlorine does bromine react to UV light -
✔✔faster
✔✔cyanuric acid minimum accepted level - ✔✔30 ppm
✔✔cyanuric acid maximum legal level - ✔✔100 ppm
✔✔purchase reagents to last you? - ✔✔for one year or season
✔✔how often do you test a semi public pool - ✔✔test at least 3 times a day
✔✔how often do you test a recreational public pool - ✔✔every 2 hours
✔✔how often do you test a semi public pool and a recreational public pool for TA, CH,
and CYA? - ✔✔once per week
TA, CH, CYA
✔✔the first water test should be taken when, each day? - ✔✔1/2 hour prior to opening
✔✔influent - ✔✔water that enters any component of the system
✔✔effluent - ✔✔water that exits any component of the system
✔✔suction side of the pump
vacuum - ✔✔everything that is prior to, or on the intake side of the pump.
✔✔discharge side of the pump - ✔✔everything on the return side of the system
, pressure side
✔✔minimum turnover time for recreational, semi public pools - ✔✔8 hours
✔✔minimum turnover time for physical therapy pools - ✔✔6 hours
✔✔minimum turnover time for wading pools - ✔✔2 hours
✔✔minimum turnover time for spas - ✔✔30 minutes
✔✔what is the formula for determining turnover time - ✔✔pool volume
--------------- = actual turnover time
(flow rate (gpm) x 60 min)
✔✔the difference between the filter influent and effluent pressure gauges is called the?
- ✔✔pressure differential
✔✔what do skimmers/gutters do? - ✔✔remove water from the pool/spa surface
✔✔what do main drains do? - ✔✔remove saturated debris and water from the bottom of
the pool/spa
✔✔what does piping do? - ✔✔to connect all of the components together
✔✔what do vacuum fittings do? - ✔✔connect to vacuum system for cleaning
✔✔what do hair strainers do? - ✔✔catch debris
✔✔what does the pump do? - ✔✔the heart of the water circulation system
✔✔5 types of valves - ✔✔gate
ball
wafer
slide
roatry multiport
✔✔when the handle on a gate valve is turned clockwise as far as it will turn, the valve is
- ✔✔closed
✔✔when the handle of a wafer valve is in-line with the pipe the valve is - ✔✔open
✔✔4 basic pool filters used - ✔✔-rapid rate sand
-fiber cartridge
-high rate sand