MARYLAND POOL OPERATOR TEST PAPER ALL
QUESTIONS AND ANSWERS SET A+
✔✔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
-diatomaceous earth (DE)
✔✔brominators are what type of chemical feeder - ✔✔erosion feeders
✔✔5 types of pool/spa surfacing - ✔✔-paint
-tile
-fiberglassing
-plaster
-delifol (PVC) membrane
✔✔most pools have what kind of underwater lighting - ✔✔wet niche lighting
✔✔when winterizing a pool, what should you do to the pool pipings? what about the
poolside fittings? - ✔✔drained, and sealed
✔✔when a person is in a spa for more than 15 minutes what medical condition can
happen? - ✔✔hyperthermia
QUESTIONS AND ANSWERS SET A+
✔✔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
-diatomaceous earth (DE)
✔✔brominators are what type of chemical feeder - ✔✔erosion feeders
✔✔5 types of pool/spa surfacing - ✔✔-paint
-tile
-fiberglassing
-plaster
-delifol (PVC) membrane
✔✔most pools have what kind of underwater lighting - ✔✔wet niche lighting
✔✔when winterizing a pool, what should you do to the pool pipings? what about the
poolside fittings? - ✔✔drained, and sealed
✔✔when a person is in a spa for more than 15 minutes what medical condition can
happen? - ✔✔hyperthermia