Radon Review Quiz 6 (Mitigation) || Most Recent Exam
2026-2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded A+
| Guaranteed Success!! Newest Exam | Just Released!!
How long should you retain records for the installation of a
radon system?
Select
one:
a. 2
years
b. 4
years
c. 6
years
d. 20 years - ANSWER-c. 6
years
If a post-installation pressure test shows that a soil
depressurization system is fully extending the pressure field
over the intended zone, but a satisfactory radon reduction has
not been achieved, which of the following would NOT be a
logical next step?
Select one:
,a. Add an additional slab suction point.
b. Look for entry routes in the walls.
c. Check for re-entrainment.
d. Determine whether the water supply is an entry route. -
ANSWER-a. Add an additional slab suction point.
If a radon system is moving 87 cubic feet per minute through a
4-inch pipe (area
= 0.0872 square foot) and the air is moving at 1000 feet
per minute,
approximately how fast will the same amount of air flow
through a 2-inch x 3-
inch
downspout?
Select
one:
a. 1500
fpm
b. 1700
fpm
c. 2100
fpm
d. 2700 fpm - ANSWER-c.
2100 fpm
Airflow (CFM = Velocity (FPM) x Cross-sectional Area (Square
Feet)
, If a sub-slab communication test reveals airflow reversal at test
holes drilled in all the block walls of a basement, which of the
following techniques would be the best mitigation choice?
Select one:
a. Sub-slab
pressurization
b. Passive sub-slab
depressurization
c. Block-wall
depressurization
d. Sub-slab depressurization - ANSWER-d. Sub-slab
depressurization
If one were to treat radon in the water supply of a home, the
water would be treated at: Select one:
a. Each water tap in the house
b. The point the water is supplied to the home
c. Only the water taps from which people would draw drinking
water
d. Only the water that is supplied to showers and laundry
equipment - ANSWER-b. The point the water is supplied to
the home
In conducting a sub-slab communication test prior to the
design of a sub-slab depressurization (SSD) system, which one
of the following procedures is most appropriate?
Select one:
2026-2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded A+
| Guaranteed Success!! Newest Exam | Just Released!!
How long should you retain records for the installation of a
radon system?
Select
one:
a. 2
years
b. 4
years
c. 6
years
d. 20 years - ANSWER-c. 6
years
If a post-installation pressure test shows that a soil
depressurization system is fully extending the pressure field
over the intended zone, but a satisfactory radon reduction has
not been achieved, which of the following would NOT be a
logical next step?
Select one:
,a. Add an additional slab suction point.
b. Look for entry routes in the walls.
c. Check for re-entrainment.
d. Determine whether the water supply is an entry route. -
ANSWER-a. Add an additional slab suction point.
If a radon system is moving 87 cubic feet per minute through a
4-inch pipe (area
= 0.0872 square foot) and the air is moving at 1000 feet
per minute,
approximately how fast will the same amount of air flow
through a 2-inch x 3-
inch
downspout?
Select
one:
a. 1500
fpm
b. 1700
fpm
c. 2100
fpm
d. 2700 fpm - ANSWER-c.
2100 fpm
Airflow (CFM = Velocity (FPM) x Cross-sectional Area (Square
Feet)
, If a sub-slab communication test reveals airflow reversal at test
holes drilled in all the block walls of a basement, which of the
following techniques would be the best mitigation choice?
Select one:
a. Sub-slab
pressurization
b. Passive sub-slab
depressurization
c. Block-wall
depressurization
d. Sub-slab depressurization - ANSWER-d. Sub-slab
depressurization
If one were to treat radon in the water supply of a home, the
water would be treated at: Select one:
a. Each water tap in the house
b. The point the water is supplied to the home
c. Only the water taps from which people would draw drinking
water
d. Only the water that is supplied to showers and laundry
equipment - ANSWER-b. The point the water is supplied to
the home
In conducting a sub-slab communication test prior to the
design of a sub-slab depressurization (SSD) system, which one
of the following procedures is most appropriate?
Select one:
