RESIDENTIAL SWIMMING POOL TRADE KNOWLEDGE
EXAM UPDATED QUESTIONS AND ACCURATE ANSWERS
A round spa with a 12' inside diameter is to be installed. The site elevation prior to excavation
for the spa is 0.00'. The pool shell is to be excavated to allow for a 6" clearance from the 4" thick
spa walls and flat bottom slab. Finished inside depth of the spa is to be 3'. The total depth of
excavation for the spa shell is ____________. Select the closest answer. - CORRECT
ANSWER✅✅✅3'10"
Portable abrasive wheels used for external grinding shall be provided with safety guards unless
they are ___________ or less in diameter and securely mounted on the end of a steel mandrel. -
CORRECT ANSWER✅✅✅2"
Backwashing of a sand filter is required when the influent water and the effluent water reaches
___________according to the POOL SPA OPERATOR HANDBOOK. - CORRECT
ANSWER✅✅✅10 to 20 psi
The design collapse pressure of a vacuum service filter tank shall be at leas______times the
pressure developed by the water in the tank. - CORRECT ANSWER✅✅✅1.5
What can only happen with a dry mix hose when applying shotcrete? - CORRECT
ANSWER✅✅✅Static electricity buildup
All these materials, except_______ are considered to have acceptable corrosion resistance for
general swimming pool and spa/hot tub equipment applications and are not required to have a
protective coating. - CORRECT ANSWER✅✅✅ferrous alloys containing 58% copper
The NATIONAL ELECTRIC CODE requires that the heating elements in electrical pool water
heaters shall be subdivided into loads not exceeding ________ amperes. - CORRECT
ANSWER✅✅✅48
According to the CONCRETE MASONRY HANDBOOK, ________ greatly improves the
pumpability of plaster. - CORRECT ANSWER✅✅✅Well-graded aggregate
, According to PLACING REINFORCING BARS, the recommended minimum cover (or
protection) for #6 reinforcing bars in concrete walls, which are in contact with the ground,
is_______. - CORRECT ANSWER✅✅✅2" from outside of bar to face of concrete
According to RESIDENTIAL INGROUND SWIMMING POOLS, the slope of the deep area
floor shall not exceed 1 foot of fall in________feet horizontally. - CORRECT
ANSWER✅✅✅3
When chlorine gas is dissolved in water _________is formed. - CORRECT
ANSWER✅✅✅Hypochlorous acid
The diameter of #5 reinforcing steel is____. - CORRECT ANSWER✅✅✅5/8"
The vertical distance between the spa and swim spa coping edge, deck, or step surface and the
uppermost recessed tread shall be a maximum of_______. - CORRECT ANSWER✅✅✅1'
An advantage of renting or leasing ________equipment vs. purchasing equipment is that renting
or leasing according to the BUILDING ESTIMATOR'S REFERENCE BOOK. - CORRECT
ANSWER✅✅✅Eliminates personal property taxes on equipment
According to the FLORIDA BUILDING CODE, all pool piping shall be tested and proven tight
under a static water or air pressure test of a minimum of 35 psi for __________ minutes. -
CORRECT ANSWER✅✅✅15
According to RESIDENTIAL INGROUND SWIMMING POOLS, a pool measuring 16'x32',
with an average depth of 4-6", shall require a minimum of ________ Inlet(s). - CORRECT
ANSWER✅✅✅4
According to the POOL & SPA OPERATOR HANDBOOK, the conversion of combined
chlorine compounds to nitrogen gas is called_________. - CORRECT
ANSWER✅✅✅Breakpoint chlorination
EXAM UPDATED QUESTIONS AND ACCURATE ANSWERS
A round spa with a 12' inside diameter is to be installed. The site elevation prior to excavation
for the spa is 0.00'. The pool shell is to be excavated to allow for a 6" clearance from the 4" thick
spa walls and flat bottom slab. Finished inside depth of the spa is to be 3'. The total depth of
excavation for the spa shell is ____________. Select the closest answer. - CORRECT
ANSWER✅✅✅3'10"
Portable abrasive wheels used for external grinding shall be provided with safety guards unless
they are ___________ or less in diameter and securely mounted on the end of a steel mandrel. -
CORRECT ANSWER✅✅✅2"
Backwashing of a sand filter is required when the influent water and the effluent water reaches
___________according to the POOL SPA OPERATOR HANDBOOK. - CORRECT
ANSWER✅✅✅10 to 20 psi
The design collapse pressure of a vacuum service filter tank shall be at leas______times the
pressure developed by the water in the tank. - CORRECT ANSWER✅✅✅1.5
What can only happen with a dry mix hose when applying shotcrete? - CORRECT
ANSWER✅✅✅Static electricity buildup
All these materials, except_______ are considered to have acceptable corrosion resistance for
general swimming pool and spa/hot tub equipment applications and are not required to have a
protective coating. - CORRECT ANSWER✅✅✅ferrous alloys containing 58% copper
The NATIONAL ELECTRIC CODE requires that the heating elements in electrical pool water
heaters shall be subdivided into loads not exceeding ________ amperes. - CORRECT
ANSWER✅✅✅48
According to the CONCRETE MASONRY HANDBOOK, ________ greatly improves the
pumpability of plaster. - CORRECT ANSWER✅✅✅Well-graded aggregate
, According to PLACING REINFORCING BARS, the recommended minimum cover (or
protection) for #6 reinforcing bars in concrete walls, which are in contact with the ground,
is_______. - CORRECT ANSWER✅✅✅2" from outside of bar to face of concrete
According to RESIDENTIAL INGROUND SWIMMING POOLS, the slope of the deep area
floor shall not exceed 1 foot of fall in________feet horizontally. - CORRECT
ANSWER✅✅✅3
When chlorine gas is dissolved in water _________is formed. - CORRECT
ANSWER✅✅✅Hypochlorous acid
The diameter of #5 reinforcing steel is____. - CORRECT ANSWER✅✅✅5/8"
The vertical distance between the spa and swim spa coping edge, deck, or step surface and the
uppermost recessed tread shall be a maximum of_______. - CORRECT ANSWER✅✅✅1'
An advantage of renting or leasing ________equipment vs. purchasing equipment is that renting
or leasing according to the BUILDING ESTIMATOR'S REFERENCE BOOK. - CORRECT
ANSWER✅✅✅Eliminates personal property taxes on equipment
According to the FLORIDA BUILDING CODE, all pool piping shall be tested and proven tight
under a static water or air pressure test of a minimum of 35 psi for __________ minutes. -
CORRECT ANSWER✅✅✅15
According to RESIDENTIAL INGROUND SWIMMING POOLS, a pool measuring 16'x32',
with an average depth of 4-6", shall require a minimum of ________ Inlet(s). - CORRECT
ANSWER✅✅✅4
According to the POOL & SPA OPERATOR HANDBOOK, the conversion of combined
chlorine compounds to nitrogen gas is called_________. - CORRECT
ANSWER✅✅✅Breakpoint chlorination
