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RESIDENTIAL SWIMMING POOL TRADE KNOWLEDGE EXAM QUESTIONS WITH CORRECT ANSWERS
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RESIDENTIAL SWIMMING POOL TRADE KNOWLEDGE EXAM QUESTIONS WITH CORRECT ANSWERS
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RESIDENTIAL SWIMMING POOL TRADEKNOWLEDGE EXAM QUESTIONS WITH
CORRECT 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. - 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. - 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. - 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. - answer-1.5
What can only happen with a dry mix hose when applying shotcrete? - 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. - 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. - answer-48
According to the concrete masonry handbook, ________ greatly improves the
pumpability of plaster. - 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_______. - 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. - answer-3
When chlorine gas is dissolved in water _________is formed. - answer-hypochlorous
acid
, The diameter of #5 reinforcing steel is____. - 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_______. - 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. - 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. - 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). - answer-4
According to the pool & spa operator handbook, the conversion of combined chlorine
compounds to nitrogen gas is called_________. - answer-breakpoint chlorination
The most popular alternative material for d.e. type filters is _________according to the
pool & spa operator handbook. - answer-based on wood pulp fiber
Grade________ cmu's are used for walls above and below grade that may be exposed
to moisture. - answer-n
According to guide to shotcrete, wet mix process shotcrete with a slump range
of______ inches is normally suitable. - answer-2 to 4
According to the florida building code, when using recessed automatic surface
skimmers on a 20' x 30' swimming pool, the minimum is one skimmer for
every__________ feet or fraction thereof of pool water surface area. - answer-400
To prevent a problem of slippery sides and bottom ofa pool due to algae, you
should_______. - answer-superchlorinate routinely
A circulating system with a minimum_________ hour turnover rate shall be provided for
each wading pool. - answer-1
According to the national electric code, one way to protect electric equipment that
depends on submersion for safe operation is to use a - answer-low-water cutoff
Ultraviolet units shall be capable of operating___________continuous hours at or above
the manufacturer's minimum rated dose. - answer-3,000
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