Pass
Stack effect is caused by _____________________. Correct Answer-
Temperature Differentials
The area above the neutral pressure plan in a home _________________.
Correct Answer-Forces air out of the home
Radon entry, and therefore indoor radon concentrations,
_______________________. Correct Answer-Can vary over relatively short
periods of time
For radon to be transported into a home, __________________ must be present.
Correct Answer-A pathway for travel and a driving force for movement
What is the relationship between ventilation rates and radon levels? Correct
Answer-There is NOT a strong correlation
The area below the neutral pressure plane in a home __________________.
Correct Answer-Draws air into the home
, Radon Exam Questions and Answers 100%
Pass
The driving force which most commonly brings radon into a home is
___________________. Correct Answer-Air pressure differentials
The three major factors of radon entry into a home are ___________________.
Correct Answer-Source strength, Transport, and ventilation
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. Correct Answer-62
______________ are the two radon decay products that contribute the largest
dose of radiation associated with RDPs. Correct Answer-Polonium 218 -
Polonium 214
All of the following were findings of studies done on miners exposed to radon,
EXCEPT____________________. Correct Answer-most cases showed within
six months exposure
Ionizing radiation causes all of the following harmful effects Correct Answer-
breaking dna strands
unbonding base pairs
, Radon Exam Questions and Answers 100%
Pass
Interacting with molecules outside the cell, which can cause cellular damage
The EPA estimates that the risk of lung cancer death for a never-smoker with a
constant radon exposure of 4 pCi/L is _______ in 1,000. Correct Answer-7
The EPA estimates that approximately _________ lung cancer deaths per year
are related to inhalation of radon and radon decay products. Correct Answer-
21,000
The EPA's indoor air recommended action level for radon is ________________.
Correct Answer-4 pCi/L
A room has a working level of 0.52 and a radon concentration level of 110 pCi/L.
What is the room's equilibrium ratio? [The formula for ER is ER = (WL × 100) ÷
pCi/L] Correct Answer-0.47
A room has a working level of 0.7 and a radon concentration of 104 pCi/L. What
is the room's equilibrium ratio? [The formula for ER is ER = (WL × 100) ÷ pCi/L]
Correct Answer-0.67