Pool Operator's Exam/Questions
and Answers/Latest Update
phenol red - -used to measure pH
-parallel - -valves are open if handle is ______ to the pipe
-pH - -how acidic or basic a solution (pool water) is
-60 to 180 - -acceptable range of Total Alkalinity in a pool
-7.2 to 7.8 - -acceptable range of pH in a pool
-150 to 400 - -acceptable range of calcium hardness in a pool
-1500 - -maximum reading for total dissolved solids (TDS)
-7.5 - -pH of a human eye
-15 minutes - -maximum time someone should spend in a spa
-8 hours - -maximum turnover rate for a main pool
-2 hours - -maximum turnover rate for a wading pool
-30 minutes - -maximum turnover rate for a spa
-104 - -maximum temperature for a spa is _____ degrees
--0.5 - +0.5 - -acceptable range for the Langelier Saturation Index
-flow meter - -instrument that measures how fast the water is
returning to the pool after it has been cleaned
-parts per million - -the rate of flow is measured in...
-effluent line - -other name for return line
-DPD #1 and #2 - -to measure free available chlorine the reagents
should be...
-floculent - -filter aid that makes small dirt bigger
-cyanuric acid - -chemical that stabilizes chlorine against ultraviolet
light of the sun
-1.5 - -minimum reading for chlorine in a main pool
and Answers/Latest Update
phenol red - -used to measure pH
-parallel - -valves are open if handle is ______ to the pipe
-pH - -how acidic or basic a solution (pool water) is
-60 to 180 - -acceptable range of Total Alkalinity in a pool
-7.2 to 7.8 - -acceptable range of pH in a pool
-150 to 400 - -acceptable range of calcium hardness in a pool
-1500 - -maximum reading for total dissolved solids (TDS)
-7.5 - -pH of a human eye
-15 minutes - -maximum time someone should spend in a spa
-8 hours - -maximum turnover rate for a main pool
-2 hours - -maximum turnover rate for a wading pool
-30 minutes - -maximum turnover rate for a spa
-104 - -maximum temperature for a spa is _____ degrees
--0.5 - +0.5 - -acceptable range for the Langelier Saturation Index
-flow meter - -instrument that measures how fast the water is
returning to the pool after it has been cleaned
-parts per million - -the rate of flow is measured in...
-effluent line - -other name for return line
-DPD #1 and #2 - -to measure free available chlorine the reagents
should be...
-floculent - -filter aid that makes small dirt bigger
-cyanuric acid - -chemical that stabilizes chlorine against ultraviolet
light of the sun
-1.5 - -minimum reading for chlorine in a main pool
