Kentucky UST Certification Test Prep
Questions And Answers With Verified
Solutions Already Rated A+
1. when tanks arrive at the job site, how should they be unloaded? - ANSWER✔✔
lifted off with a cable attached to the tank lifting lugs
As an alternative lifting method, should a cable or chain be wrapped around the
tank? - ANSWER✔✔ No, Never!
When you are lifting a tank, using the lifting lugs, which of these procedures
should be followed? - ANSWER✔✔ attach a triangle cable through the lugs with
no more than a 30 degree angle from the center line.
After you unload a new tank on a clean level surface at the job site what else
should you do prior to inspection and pre-testing? - ANSWER✔✔ Chock the tank
to prevent it from Rolling
which of the following items should be physically checked for damage or
imperfections at the job site? - ANSWER✔✔ Piping (steel and fiberglass)
Fittings, Vents, Fillboxes, anodes, ECT..
The tanks themselves
(ALL OF THE ABOVE)!
STI-P3 tanks are delivered with shipping plugs in tank openings. What should be
done to these plugs prior to testing? - ANSWER✔✔ remove the plugs and replace
them with a standard threaded plug that is properly doped
,should dielectric bushings be installed in all openings of an STI-P3 tank? -
ANSWER✔✔ yes on all openings
what is the maximum air pressure to which a steel tank should be subjected in a
pre-installation test? - ANSWER✔✔ 5 pounds
for fiberglass reinforced plastic (FRP) tanks up to 12 feet in diameter what is an
acceptable air pressure to which the tanks may be subjected in a pre-installation
test? - ANSWER✔✔ 3 pounds
for FRP tanks over 12 feet in diameter what is the maximum air pressure to which
the tanks should be subjected in a pre-installation test? - ANSWER✔✔ 3 pounds
when you are conducting an air test on a tank the type of gauge that should be used
is? - ANSWER✔✔ a pressure gauge with a maximum limit of 10 to 15 PSIG
the proper procedure for conducting a pre-installation air test of a steel tank is to? -
ANSWER✔✔ apply 3 to 5 pounds of pressure and soap all surfaces and weld
seams visible through the coating while inspecting for bubbles.
what is the proper procedure for conducting a pre-installation air test of an FRP
tank Under 12 feet in diameter is to.... - ANSWER✔✔ apply 3 pounds of air
pressure and soap all surfaces while inspecting for any sign of a leak either audible
or visible in the form of bubbles on the surface
a double-walled steel tank build in accordance with UL standard 58 is? -
ANSWER✔✔ requires air testing of the interstitial space prior to installation
, the proper procedure for conducting a pre-installation air test of a double-walled
tank is to? - ANSWER✔✔ pressurize the inner tank monitor the pressure for one
hour and then pressurize the space between the inner and outer tanks with the air
from the inner tank
when shipped a steel tank is covered with a coating that is an important part of the
tanks Corrosion Prevention system. "holidays" which show up in the coating at the
installation site should? - ANSWER✔✔ should be touched up with a compatible
coating after proper surface preparation
touch up of holidays in a steel tank coatings at the installation site should be
done....... - ANSWER✔✔ according to the manufacturer's instructions
dielectric bushings are usually made of what? - ANSWER✔✔ non-metallic
material
factors to consider in determining the size shape and depth of a tank excavation
include what? - ANSWER✔✔ *the tank manufacturers recommendations
*the requirements for compacting bedding and backfill as well as stability of the
soil
*the depth of cover
AKA all of the above
in the absence of local requirements the recommended minimum distance between
a tank excavation and adjacent structures or property lines is how many feet? -
ANSWER✔✔ 5 feet
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