NJ Radon Measurement Technician Exam Questions Solved Correctly (Rated 100%)
What does it mean for a radon decay product to be "plated out"? - Answers It has attached to a non-
breathable object
If a radon decay product attaches to a solid object, such as a wall, it... - Answers ...can no longer be
inhaled.
What is a half-life? - 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? - Answers Alpha
The negatively charged subatomic particle that orbits the nucleus is called a(n) - Answers electron
Radon decay products that are not attached to airborne particles are much more likely to... - Answers
deposit radiation into lung tissue if inhaled.
The number of protons plus the number of neutrons in a specific atom is called - Answers Mass number
The number of protons in an atom's nucleus is the same as the atom's... - Answers Atomic number
The commonly assumed equilibrium ratio of radon decay products is: - Answers 0.4
All atoms of the same element must have the same... - Answers Atomic number
The number of ______________ in an atom determines which element it is. - Answers Protons
_________________ causes a neutral atom to become an ion. - Answers The gain or loss of electrons
________________ is a unit used to measure radon concentration. - Answers Picocurie per liter (pCi/L)
When ___________ decays, it produces Radon-222 - Answers Radium-226
For an atom to be neutrally charged... - Answers it's number 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? - Answers isotopes
What is the half-life of radon-222? - Answers 3.8 days
Stack effect is caused by... - Answers Temperature differentials
3 factors that effect radon's ability to move through the soil: - Answers 1. Size of mineral grain in the soil
2. Dryness of the soil
3. Permeability of the soil
, (T/F) There is a strong correlation between low ventilation rates and high radon levels. - Answers False:
there is not a strong correlation
(T/F) Radon entry, and therefore indoor radon concentrations, do not vary over relatively short periods
of time. - Answers FALSE: they do vary over relatively short periods of time.
All of the following are driving forces that can bring radon into a home except:
- Diffusion
- Evaporation
- Emanation
- Well water - Answers Evaporation
The area below the neutral pressure plane in a home... - Answers Draws air into the home
The 3 major factors of radon entry into a home are: - Answers - Radon source strength
- Transport of radon
- ventilation rate
Radon plays what role in the average American's annual radiation exposure? - Answers It is the 2nd
greatest contributor.
The EPA estimates that the risk of lung cancer death for a current smoker with a constant radon
exposure of 4 pCi/L is _____________ in 1,000. - Answers 62
The EPA estimates that approximately ____________ lung cancer deaths per year are related to
inhalation of radon and radon decay products. - Answers 21,000
____________ and _____________ are the two radon decay products that contribute the largest dose
of radiation associated with RDPs. - Answers Polonium-218 and polonium-214
Which of the following effects is NOT caused by ionizing radiation?
- Breaking DNA strands
- Unbonding base pairs
- Creation of additional nuclei
- Interacting with molecules outside the cell, which can cause a wide range of cellular damage. - Answers
Creation of additional nuclei IS NOT caused by ionizing radiation
The EPAs indoor air recommended action level is ____________ - Answers 4 pCi/L
What does it mean for a radon decay product to be "plated out"? - Answers It has attached to a non-
breathable object
If a radon decay product attaches to a solid object, such as a wall, it... - Answers ...can no longer be
inhaled.
What is a half-life? - 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? - Answers Alpha
The negatively charged subatomic particle that orbits the nucleus is called a(n) - Answers electron
Radon decay products that are not attached to airborne particles are much more likely to... - Answers
deposit radiation into lung tissue if inhaled.
The number of protons plus the number of neutrons in a specific atom is called - Answers Mass number
The number of protons in an atom's nucleus is the same as the atom's... - Answers Atomic number
The commonly assumed equilibrium ratio of radon decay products is: - Answers 0.4
All atoms of the same element must have the same... - Answers Atomic number
The number of ______________ in an atom determines which element it is. - Answers Protons
_________________ causes a neutral atom to become an ion. - Answers The gain or loss of electrons
________________ is a unit used to measure radon concentration. - Answers Picocurie per liter (pCi/L)
When ___________ decays, it produces Radon-222 - Answers Radium-226
For an atom to be neutrally charged... - Answers it's number 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? - Answers isotopes
What is the half-life of radon-222? - Answers 3.8 days
Stack effect is caused by... - Answers Temperature differentials
3 factors that effect radon's ability to move through the soil: - Answers 1. Size of mineral grain in the soil
2. Dryness of the soil
3. Permeability of the soil
, (T/F) There is a strong correlation between low ventilation rates and high radon levels. - Answers False:
there is not a strong correlation
(T/F) Radon entry, and therefore indoor radon concentrations, do not vary over relatively short periods
of time. - Answers FALSE: they do vary over relatively short periods of time.
All of the following are driving forces that can bring radon into a home except:
- Diffusion
- Evaporation
- Emanation
- Well water - Answers Evaporation
The area below the neutral pressure plane in a home... - Answers Draws air into the home
The 3 major factors of radon entry into a home are: - Answers - Radon source strength
- Transport of radon
- ventilation rate
Radon plays what role in the average American's annual radiation exposure? - Answers It is the 2nd
greatest contributor.
The EPA estimates that the risk of lung cancer death for a current smoker with a constant radon
exposure of 4 pCi/L is _____________ in 1,000. - Answers 62
The EPA estimates that approximately ____________ lung cancer deaths per year are related to
inhalation of radon and radon decay products. - Answers 21,000
____________ and _____________ are the two radon decay products that contribute the largest dose
of radiation associated with RDPs. - Answers Polonium-218 and polonium-214
Which of the following effects is NOT caused by ionizing radiation?
- Breaking DNA strands
- Unbonding base pairs
- Creation of additional nuclei
- Interacting with molecules outside the cell, which can cause a wide range of cellular damage. - Answers
Creation of additional nuclei IS NOT caused by ionizing radiation
The EPAs indoor air recommended action level is ____________ - Answers 4 pCi/L
