UST Installer Exam Study Guide Questions and
Answers 2025
Tank with liquid filled annular or that has vacuum on it at the tine of delivery do
not require provided manufacturer pre-installation procedures are followed
A. True
B. False
A. True
A safety harness must be worn when working in a confined space
A. True
B. False
A. True
A typical type of leak detection for suction piping is
A. Under-pump check valve
B. Electronic line leak detection
C. Automatic tank gauge (ATG)
A. Under-pump check valve
A typical type of release detection equipment for pressurized piping is
A. Electronic line leak detectors
B. Mechanical line leak detectors
C. Interstitial monitoring
D. All of the above
D. All of the above
A UST system can be temporarily closed for___months. After this time period the
tanks must be removed or put back into service
A. 12 months
B. 36 months
C. 48 months
A. 12 months
U1 UST Installation/Retrofitting
,U1 UST Installation/Retrofitting
After backfill is placed to the level of the top of the tank, it is recommended that
the tank be ballasted with product or water
A. True
B. False
A. True
All methods of tank anchoring use the weight of the backfill and paving on top of
the tank to offset the buoyancy forces
A. True
B. False
A. True
All UST systems equipped with cathodic protection systems must have the system
inspected within___months of installation and every___years thereafter by a
qualified cathodic protection tester
A. 1 month / 1 year
B. 6 month / 3 year
C. 1 year / 5 year
B. 6 month / 3 year
An acceptable form of cathodic protection system is
A. Impressed current
B. Sacrificial anode
C. Spray paint
D. Both A and B
D. Both A and B
An efficient piping layout minimizes the length of piping, enhances operations, and
facilities testing and services
A. True
B. False
A. True
An individual can enter a confined space without an entry plan as long as he tells
someone what he is doing
U1 UST Installation/Retrofitting
, U1 UST Installation/Retrofitting
A. True
B. False
B. False
An overfill device that alerts the transfer operator when the tank is no more than
90% full by restricting flow to the tank or triggering a high level alarm is an
approved method of overfill prevention
A. True
B. False
A. True
An overfill prevention device that automatically shuts off flow into the tank when
the tank is no more than___% full is an approved method of overfill prevention
A. 80%
B. 90%
C. 95%
C. 95%
At a minimum, the site safety plan should included:
A. A list of emergency service organizations that may be needed (Fired Dept.,
Hazmat team, local hospital)
B. A list of emergency equipment (fire extinguisher, absorbent pads, etc.)
C. A list of utility company contacts (power, gas, and water)
D. All of the above
D. All of the above
Backfill material for fiberglass tanks should be free of ice and snow and not more
than ___% should pass through a #___ sleeve
A. 5% / #8
B. 7% / #8
C. 10% / #4
A. 5% / #8
Backfill material for steel tanks should be clean, well-granulated, free-flowing,
non-corrosive, nerf material.
U1 UST Installation/Retrofitting