KNES335 Swimming Pool Management || with Error-free Answers.
Per COMAR regulations how long can you have your filter system off during operating hours?
correct answers One hour
True or False? The theory of partial dilution assumes that additional contaminates are not
entering the water during filtration. correct answers True
What percent of the total pool volume is filtered after one turnover? correct answers 63%
Most competition and recreation pool are required to have a minimum turnover rate of how
many hours? correct answers Six hours
Most spas are required to have a minimum turnover rate of how many hours? correct answers 30
minutes
The most common type of entrapment is typically to what portion of the body? correct answers
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. correct answers D.) Gutters work regardless of
surface tension.
What type of valve operates on bi-lateral pressure, rotates an internal disc, designed to be
throttled? correct answers Butterfly or "wafer" valve
, Modern swimming pools typically use what material for the plumbing of the circulation system?
correct answers 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 correct answers D.) Chemical Injector
What is the oldest form of swimming pool filter media? correct answers Sand
Good water clarity is the result of all of the following except:
A.) Proper Filtration
B.) Circulation
C.) Chemical treatment
D.) Sunlight correct answers 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 correct answers D.) Filter tank rupture
Which type of pools typically have a high Filter Media Rate? correct answers Spas and
Residential
Which type of pools typically have a low Filter Media Rate? correct answers Commercial
Per COMAR regulations how long can you have your filter system off during operating hours?
correct answers One hour
True or False? The theory of partial dilution assumes that additional contaminates are not
entering the water during filtration. correct answers True
What percent of the total pool volume is filtered after one turnover? correct answers 63%
Most competition and recreation pool are required to have a minimum turnover rate of how
many hours? correct answers Six hours
Most spas are required to have a minimum turnover rate of how many hours? correct answers 30
minutes
The most common type of entrapment is typically to what portion of the body? correct answers
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. correct answers D.) Gutters work regardless of
surface tension.
What type of valve operates on bi-lateral pressure, rotates an internal disc, designed to be
throttled? correct answers Butterfly or "wafer" valve
, Modern swimming pools typically use what material for the plumbing of the circulation system?
correct answers 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 correct answers D.) Chemical Injector
What is the oldest form of swimming pool filter media? correct answers Sand
Good water clarity is the result of all of the following except:
A.) Proper Filtration
B.) Circulation
C.) Chemical treatment
D.) Sunlight correct answers 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 correct answers D.) Filter tank rupture
Which type of pools typically have a high Filter Media Rate? correct answers Spas and
Residential
Which type of pools typically have a low Filter Media Rate? correct answers Commercial
