NJ Radon Measurement Technician Exam
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(Practice Questions)with answers || ||
What does it mean for a radon decay product to be "plated out"? - CORRECT
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ANSWERS ✔✔It has attached to a non-breathable object || || || || || || ||
If a radon decay product attaches to a solid object, such as a wall, it... -
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CORRECT ANSWERS ✔✔...can no longer be inhaled. || || || || || ||
What is a half-life? - CORRECT ANSWERS ✔✔The time required for half of
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the atoms of a radioactive element to decay.
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Which type of radiation is responsible for the most cellular damage associated
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with radon and radon decay products? - CORRECT ANSWERS ✔✔Alpha
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The negatively charged subatomic particle that orbits the nucleus is called
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a(n) - CORRECT ANSWERS ✔✔electron
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Radon decay products that are not attached to airborne particles are much
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more likely to... - CORRECT ANSWERS ✔✔deposit radiation into lung tissue
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if inhaled.
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The number of protons plus the number of neutrons in a specific atom is
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called - CORRECT ANSWERS ✔✔Mass number
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,The number of protons in an atom's nucleus is the same as the atom's... -
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CORRECT ANSWERS ✔✔Atomic number || || ||
The commonly assumed equilibrium ratio of radon decay products is: -
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CORRECT ANSWERS ✔✔0.4 || ||
All atoms of the same element must have the same... - CORRECT ANSWERS
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✔✔Atomic number ||
The number of ______________ in an atom determines which element it is. -
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CORRECT ANSWERS ✔✔Protons || ||
_________________ causes a neutral atom to become an ion. - CORRECT || || || || || || || || || || ||
ANSWERS ✔✔The gain or loss of electrons || || || || || ||
________________ is a unit used to measure radon concentration. - || || || || || || || || || ||
CORRECT ANSWERS ✔✔Picocurie per liter (pCi/L)
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When ___________ decays, it produces Radon-222 - CORRECT ANSWERS
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✔✔Radium-226
For an atom to be neutrally charged... - CORRECT ANSWERS ✔✔it's number
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of protons and electrons must be equal.
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, Different atoms of the same element can have differing numbers of neutrons.
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What are these different kinds of the same element called? - CORRECT
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ANSWERS ✔✔isotopes ||
What is the half-life of radon-222? - CORRECT ANSWERS ✔✔3.8 days
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Stack effect is caused by... - CORRECT ANSWERS ✔✔Temperature
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differentials
3 factors that effect radon's ability to move through the soil: - CORRECT
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ANSWERS ✔✔1. Size of mineral grain in the soil || || || || || || || ||
2. Dryness of the soil
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3. Permeability of the soil
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(T/F) There is a strong correlation between low ventilation rates and high
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radon levels. - CORRECT ANSWERS ✔✔False: there is not a strong
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correlation
(T/F) Radon entry, and therefore indoor radon concentrations, do not vary
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over relatively short periods of time. - CORRECT ANSWERS ✔✔FALSE: they
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do vary over relatively short periods of time.
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All of the following are driving forces that can bring radon into a home
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except:
- Diffusion
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- Evaporation
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(Practice Questions)with answers || ||
What does it mean for a radon decay product to be "plated out"? - CORRECT
|| || || || || || || || || || || || || || ||
ANSWERS ✔✔It has attached to a non-breathable object || || || || || || ||
If a radon decay product attaches to a solid object, such as a wall, it... -
|| || || || || || || || || || || || || || || ||
CORRECT ANSWERS ✔✔...can no longer be inhaled. || || || || || ||
What is a half-life? - CORRECT ANSWERS ✔✔The time required for half of
|| || || || || || || || || || || || ||
the atoms of a radioactive element to decay.
|| || || || || || ||
Which type of radiation is responsible for the most cellular damage associated
|| || || || || || || || || || ||
with radon and radon decay products? - CORRECT ANSWERS ✔✔Alpha
|| || || || || || || || || ||
The negatively charged subatomic particle that orbits the nucleus is called
|| || || || || || || || || || ||
a(n) - CORRECT ANSWERS ✔✔electron
|| || || ||
Radon decay products that are not attached to airborne particles are much
|| || || || || || || || || || || ||
more likely to... - CORRECT ANSWERS ✔✔deposit radiation into lung tissue
|| || || || || || || || || || ||
if inhaled.
||
The number of protons plus the number of neutrons in a specific atom is
|| || || || || || || || || || || || || ||
called - CORRECT ANSWERS ✔✔Mass number
|| || || || ||
,The number of protons in an atom's nucleus is the same as the atom's... -
|| || || || || || || || || || || || || || ||
CORRECT ANSWERS ✔✔Atomic number || || ||
The commonly assumed equilibrium ratio of radon decay products is: -
|| || || || || || || || || || ||
CORRECT ANSWERS ✔✔0.4 || ||
All atoms of the same element must have the same... - CORRECT ANSWERS
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✔✔Atomic number ||
The number of ______________ in an atom determines which element it is. -
|| || || || || || || || || || || || ||
CORRECT ANSWERS ✔✔Protons || ||
_________________ causes a neutral atom to become an ion. - CORRECT || || || || || || || || || || ||
ANSWERS ✔✔The gain or loss of electrons || || || || || ||
________________ is a unit used to measure radon concentration. - || || || || || || || || || ||
CORRECT ANSWERS ✔✔Picocurie per liter (pCi/L)
|| || || || ||
When ___________ decays, it produces Radon-222 - CORRECT ANSWERS
|| || || || || || || || ||
✔✔Radium-226
For an atom to be neutrally charged... - CORRECT ANSWERS ✔✔it's number
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of protons and electrons must be equal.
|| || || || || || ||
, Different atoms of the same element can have differing numbers of neutrons.
|| || || || || || || || || || || ||
What are these different kinds of the same element called? - CORRECT
|| || || || || || || || || || || ||
ANSWERS ✔✔isotopes ||
What is the half-life of radon-222? - CORRECT ANSWERS ✔✔3.8 days
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Stack effect is caused by... - CORRECT ANSWERS ✔✔Temperature
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differentials
3 factors that effect radon's ability to move through the soil: - CORRECT
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ANSWERS ✔✔1. Size of mineral grain in the soil || || || || || || || ||
2. Dryness of the soil
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3. Permeability of the soil
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(T/F) There is a strong correlation between low ventilation rates and high
|| || || || || || || || || || || ||
radon levels. - CORRECT ANSWERS ✔✔False: there is not a strong
|| || || || || || || || || || ||
correlation
(T/F) Radon entry, and therefore indoor radon concentrations, do not vary
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over relatively short periods of time. - CORRECT ANSWERS ✔✔FALSE: they
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do vary over relatively short periods of time.
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All of the following are driving forces that can bring radon into a home
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except:
- Diffusion
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- Evaporation
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