Residential swimming pool trade
knowledge exam Questions and
Answers 100% Pass
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. - ✔✔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. - ✔✔2"
Backwashing of a sand filter is required when the influent water and the effluent water
reaches ___________according to the POOL SPA OPERATOR HANDBOOK. - ✔✔10 to
20 psi
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, The design collapse pressure of a vacuum service filter tank shall be at leas______times
the pressure developed by the water in the tank. - ✔✔1.5
What can only happen with a dry mix hose when applying shotcrete? - ✔✔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. - ✔✔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. - ✔✔48
According to the CONCRETE MASONRY HANDBOOK, ________ greatly improves the
pumpability of plaster. - ✔✔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_______. - ✔✔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. - ✔✔3
When chlorine gas is dissolved in water _________is formed. - ✔✔Hypochlorous acid
The diameter of #5 reinforcing steel is____. - ✔✔5/8"
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 2
knowledge exam Questions and
Answers 100% Pass
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. - ✔✔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. - ✔✔2"
Backwashing of a sand filter is required when the influent water and the effluent water
reaches ___________according to the POOL SPA OPERATOR HANDBOOK. - ✔✔10 to
20 psi
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 1
, The design collapse pressure of a vacuum service filter tank shall be at leas______times
the pressure developed by the water in the tank. - ✔✔1.5
What can only happen with a dry mix hose when applying shotcrete? - ✔✔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. - ✔✔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. - ✔✔48
According to the CONCRETE MASONRY HANDBOOK, ________ greatly improves the
pumpability of plaster. - ✔✔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_______. - ✔✔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. - ✔✔3
When chlorine gas is dissolved in water _________is formed. - ✔✔Hypochlorous acid
The diameter of #5 reinforcing steel is____. - ✔✔5/8"
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 2
