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KNES335 SWIMMING POOL MANAGEMENT EXAM QUESTIONS AND ANSWERS
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KNES335 SWIMMING POOL MANAGEMENT EXAM QUESTIONS AND ANSWERS
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KNES335 SWIMMING POOLMANAGEMENT EXAM QUESTIONS AND
ANSWERS
Per COMAR regulations how long can you have your filter system off during operating
hours? - Answer-One hour
True or False? The theory of partial dilution assumes that additional contaminates are
not entering the water during filtration. - Answer-True
What percent of the total pool volume is filtered after one turnover? - Answer-63%
Most competition and recreation pool are required to have a minimum turnover rate of
how many hours? - Answer-Six hours
Most spas are required to have a minimum turnover rate of how many hours? - Answer-
30 minutes
The most common type of entrapment is typically to what portion of the body? - Answer-
Hair
Which of the following statements about surface water removal is false?
A.) Most of the water contaminates are at the surface of the pool.
B.) Disinfection residual is lowest at the surface of the pool.
C.) Even water flow patterns help prevent "dead spots" of circulation.
D.) Gutters work regardless of surface tension. - Answer-D.) Gutters work regardless of
surface tension.
What type of valve operates on bi-lateral pressure, rotates an internal disc, designed to
be throttled? - Answer-Butterfly or "wafer" valve
Modern swimming pools typically use what material for the plumbing of the circulation
system? - Answer-PVC
Which of the following pieces of equipment should be the last thing installed on the
return line?
A.) UV filter
B.) Heater
C.) Vacuum Gauge
D.) Chemical Injector - Answer-D.) Chemical Injector
What is the oldest form of swimming pool filter media? - Answer-Sand
, Good water clarity is the result of all of the following except:
A.) Proper Filtration
B.) Circulation
C.) Chemical treatment
D.) Sunlight - Answer-D.) Sunlight
Which of the following is not a common negative effect of exceeding the Filter Media
Rate in a sand filter?
A.) Channeling
B.) Cavitation
C.) Debris trapped in sand
D.) Filter tank rupture - Answer-D.) Filter tank rupture
Which type of pools typically have a high Filter Media Rate? - Answer-Spas and
Residential
Which type of pools typically have a low Filter Media Rate? - Answer-Commercial
Sand is considered what type of filter media? - Answer-Permanent
Cartridges are considered what type of filter media? - Answer-Replaceable
Diatomaceous Earth is considered what type of filter media? - Answer-Consumable/
Disposable
On average the filter grid for a D.E. system needs to be cleared how often? - Answer-
Every three months
True of False? As much as 90-95% more water can be saved using a D.E. filter
compared to a sand filter. - Answer-True
In order to minimize evaroration as well as maintain indoor air quality, indoor pools
should keep the air temp. within how many degrees of the pool itself? - Answer-2-4
Degrees F
At a maximum, spas and hot tubs cannot exceed how many degrees? - Answer-104
Degrees F
Which of the following activities would not be considered routine maintenance for a
swimming pool?
A.) Tile Cleaning
B.) Brushing the pool's plaster
C.) Vacuuming
D.) Pump motor replacement - Answer-D.) Pump motor replacement
Which of the following is the most likely reason your heater is not igniting?
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