Radon Exam Questions With Correct
Answers
According to the US EPA Citizens Guide to Radon, radon levels in most
| | | | | | | | | | | | |
homes, can be reduced to: - CORRECT ANSWER✔✔-2 pCi/L or less
| | | | | | | | | |
Homeowners should be advised to have their mitigation contractors
| | | | | | | | |
stipulate that they will follow: - CORRECT ANSWER✔✔-Radon
| | | | | | | |
Mitigation Standards such as the US EPA, AARST, ASTM, or as recognized
| | | | | | | | | | |
by their state radon office
| | | | |
Prolonged exposure to radon is considered dangerous because radon
| | | | | | | | |
can cause: - CORRECT ANSWER✔✔-lung cancer
| | | | |
The most common radon mitigation technique at this time is: - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Active soil depressurization
| | |
The Radon Action Level in the United States is: - CORRECT ANSWER✔✔-
| | | | | | | | | | |
4.0 pico Curies per liter of air
| | | | | |
The submembrane mitigation strategy is applicable to which of the
| | | | | | | | | |
following foundation types? - CORRECT ANSWER✔✔-Crawl space
| | | | | | |
houses
,What is radon? - CORRECT ANSWER✔✔-An invisible, odorless, tasteless,
| | | | | | | |
naturally occurring, radioactive gas.
| | | |
What is the minimum deployment/sampling period for a short-term
| | | | | | | | |
test? - CORRECT ANSWER✔✔-Two days
| | | |
What is the purpose of the US EPA Map of Radon Zones? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-To suggest where radon resistant new construction | | | | | | |
techniques would be the most cost-effectively employed.
| | | | | |
Which of the following best represents the recommendation of the U.S.
| | | | | | | | | | |
EPA for citizen exposure to radon? - CORRECT ANSWER✔✔-Long-term
| | | | | | | | |
exposure to elevated radon can increase the potential for lung cancer
| | | | | | | | | |
Which of the following is an acceptable location for the discharge of an
| | | | | | | | | | | | |
active soil depressurization system? - CORRECT ANSWER✔✔-Above the
| | | | | | | |
eave of the roof.
| | |
Which of the following locations is appropriate for the fan of an active
| | | | | | | | | | | | |
soil depressurization system? - CORRECT ANSWER✔✔-Attic
| | | | |
Which of the following Radon measurement approaches best estimates
| | | | | | | | |
occupant exposure? - CORRECT ANSWER✔✔-A yearlong test with an
| | | | | | | | |
,alpha track detector in the lowest occupied level of the home with no
| | | | | | | | | | | | |
special precautions for closed building conditions.
| | | | |
A correct statement regarding radon testing in Zone 3 areas of the EPA
| | | | | | | | | | | | |
Radon Potential Map is that such testing: - CORRECT ANSWER✔✔-is
| | | | | | | | | |
recommended.
A significant difference between one room and the next in a building
| | | | | | | | | | | |
with a large central air handling system is often caused by: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-An unbalanced air distribution system | | | |
After 25 years of updates by testers and state agencies, the US EPA Map
| | | | | | | | | | | | | |
of Radon Zones is a good predictor of where indoor radon levels will not
| | | | | | | | | | | | |
be elevated. - CORRECT ANSWER✔✔-False
| | | | |
How can you tell if a house contains elevated levels of radon? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Test for radon. | | |
If a short-term, closed building radon test is conducted in the basement
| | | | | | | | | | | |
of a home with a result of 10 pCi/L, what can be said about the radon
| | | | | | | | | | | | | | | |
levels on the first floor above the basement? - CORRECT ANSWER✔✔-
| | | | | | | | | |
The first floor radon level is likely to be equal to or less than the
| | | | | | | | | | | | | | |
basement measurement of 10 | | |
, If the water for a home comes from an underground well that has
| | | | | | | | | | | | |
60,000 pCi/L in the water, how much radon will be added to the air of
| | | | | | | | | | | | | | |
the home due to normal usage of water? - CORRECT ANSWER✔✔-6 to
| | | | | | | | | | | |
10 pCi/L |
In a cold climate, stack effect is typically higher during the: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Winter
In a house with a forced air heating and cooling system, which of the
| | | | | | | | | | | | | |
following conditions would most likely increase short-term indoor radon
| | | | | | | |
|concentrations the most? - CORRECT ANSWER✔✔-Return ducts under | | | | | | | |
the slab with the air blower on.
| | | | | |
In most homes the main source of elevated radon levels is: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-the soil. |
Indoor Radon levels are always higher during the winter months
| | | | | | | | | |
(November through March) than any other time of year. - CORRECT
| | | | | | | | | | |
ANSWER✔✔-False
On a nationwide basis, which of the following radon entry mechanisms
| | | | | | | | | | |
account for the greatest amount of radon entry? - CORRECT
| | | | | | | | | |
ANSWER✔✔-Convective movement of soil gas into the building. | | | | | | |
Answers
According to the US EPA Citizens Guide to Radon, radon levels in most
| | | | | | | | | | | | |
homes, can be reduced to: - CORRECT ANSWER✔✔-2 pCi/L or less
| | | | | | | | | |
Homeowners should be advised to have their mitigation contractors
| | | | | | | | |
stipulate that they will follow: - CORRECT ANSWER✔✔-Radon
| | | | | | | |
Mitigation Standards such as the US EPA, AARST, ASTM, or as recognized
| | | | | | | | | | |
by their state radon office
| | | | |
Prolonged exposure to radon is considered dangerous because radon
| | | | | | | | |
can cause: - CORRECT ANSWER✔✔-lung cancer
| | | | |
The most common radon mitigation technique at this time is: - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Active soil depressurization
| | |
The Radon Action Level in the United States is: - CORRECT ANSWER✔✔-
| | | | | | | | | | |
4.0 pico Curies per liter of air
| | | | | |
The submembrane mitigation strategy is applicable to which of the
| | | | | | | | | |
following foundation types? - CORRECT ANSWER✔✔-Crawl space
| | | | | | |
houses
,What is radon? - CORRECT ANSWER✔✔-An invisible, odorless, tasteless,
| | | | | | | |
naturally occurring, radioactive gas.
| | | |
What is the minimum deployment/sampling period for a short-term
| | | | | | | | |
test? - CORRECT ANSWER✔✔-Two days
| | | |
What is the purpose of the US EPA Map of Radon Zones? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-To suggest where radon resistant new construction | | | | | | |
techniques would be the most cost-effectively employed.
| | | | | |
Which of the following best represents the recommendation of the U.S.
| | | | | | | | | | |
EPA for citizen exposure to radon? - CORRECT ANSWER✔✔-Long-term
| | | | | | | | |
exposure to elevated radon can increase the potential for lung cancer
| | | | | | | | | |
Which of the following is an acceptable location for the discharge of an
| | | | | | | | | | | | |
active soil depressurization system? - CORRECT ANSWER✔✔-Above the
| | | | | | | |
eave of the roof.
| | |
Which of the following locations is appropriate for the fan of an active
| | | | | | | | | | | | |
soil depressurization system? - CORRECT ANSWER✔✔-Attic
| | | | |
Which of the following Radon measurement approaches best estimates
| | | | | | | | |
occupant exposure? - CORRECT ANSWER✔✔-A yearlong test with an
| | | | | | | | |
,alpha track detector in the lowest occupied level of the home with no
| | | | | | | | | | | | |
special precautions for closed building conditions.
| | | | |
A correct statement regarding radon testing in Zone 3 areas of the EPA
| | | | | | | | | | | | |
Radon Potential Map is that such testing: - CORRECT ANSWER✔✔-is
| | | | | | | | | |
recommended.
A significant difference between one room and the next in a building
| | | | | | | | | | | |
with a large central air handling system is often caused by: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-An unbalanced air distribution system | | | |
After 25 years of updates by testers and state agencies, the US EPA Map
| | | | | | | | | | | | | |
of Radon Zones is a good predictor of where indoor radon levels will not
| | | | | | | | | | | | |
be elevated. - CORRECT ANSWER✔✔-False
| | | | |
How can you tell if a house contains elevated levels of radon? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Test for radon. | | |
If a short-term, closed building radon test is conducted in the basement
| | | | | | | | | | | |
of a home with a result of 10 pCi/L, what can be said about the radon
| | | | | | | | | | | | | | | |
levels on the first floor above the basement? - CORRECT ANSWER✔✔-
| | | | | | | | | |
The first floor radon level is likely to be equal to or less than the
| | | | | | | | | | | | | | |
basement measurement of 10 | | |
, If the water for a home comes from an underground well that has
| | | | | | | | | | | | |
60,000 pCi/L in the water, how much radon will be added to the air of
| | | | | | | | | | | | | | |
the home due to normal usage of water? - CORRECT ANSWER✔✔-6 to
| | | | | | | | | | | |
10 pCi/L |
In a cold climate, stack effect is typically higher during the: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Winter
In a house with a forced air heating and cooling system, which of the
| | | | | | | | | | | | | |
following conditions would most likely increase short-term indoor radon
| | | | | | | |
|concentrations the most? - CORRECT ANSWER✔✔-Return ducts under | | | | | | | |
the slab with the air blower on.
| | | | | |
In most homes the main source of elevated radon levels is: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-the soil. |
Indoor Radon levels are always higher during the winter months
| | | | | | | | | |
(November through March) than any other time of year. - CORRECT
| | | | | | | | | | |
ANSWER✔✔-False
On a nationwide basis, which of the following radon entry mechanisms
| | | | | | | | | | |
account for the greatest amount of radon entry? - CORRECT
| | | | | | | | | |
ANSWER✔✔-Convective movement of soil gas into the building. | | | | | | |
