New Jersey Radon Technician Review Top-Graded Questions and Answers 2024

(d) is not detected by human senses, is naturally occurring, does not chemically react - Which of the following are characteristics of radon? (a) has no static charge, solid particle, does not react chemically (b) is a gas, radioactive, can be detected by human senses (c) is man-made, does not chemically react, is a gas (d) is not detected by human senses, is naturally occurring, does not chemically react (c) protons and neutrons - The nucleus of an atom consists of: (a) electrons and protons (b) neutrons and electrons (c) protons and neutrons (d) protons, neutrons and electrons (c) the number of protons - The characteristic of an atom that determines which element it is is: (a) the number of electrons (b) the number of neutrons (c) the number of protons (d) the number of protons and neutrons (a) 0.4 pCi/L outdoors and 1.3 pCi/L indoors - The annual average U.S. outdoor and indoor radon levels are: (a) 0.4 pCi/L outdoors and 1.3 pCi/L indoors (b) 0.5 pCi/L outdoors and 4.0 pCi/L indoors (c) 0.6 pCi/L outdoors and 4.0 pCi/L indoors (d) 0.7 pCi/L outdoors and 1.3 pCi/L indoors (c) has lost or gained electrons - An ion is an atom that: (a) cannot accept additional electrons (b) cannot eliminate additional electrons (c) has lost or gained electrons (d) has no electrons (c) 2.22 disintegrations per minute within a liter of air - One picoCurie per liter of radon is defined as: (a) one billionth of a Curie (b) 2.22 disintegrations per minute per gram of air (c) 2.22 disintegrations per minute within a liter of air (d) 37 billion disintegrations per second (a) 4 hours - It takes _____ hours for radon to reach secular equilibrium with its short-lived decay products. (a) 4 hours (b) 12 hours (c) 24 hours (d) 48 hours (b) 0.034 WL - If the radon concentration is 8 pCi/L what is the Working Level of radon decay products using common assumptions of equilibrium ER = 0.4? (a) 0.024 WL (b) 0.034 WL (c) 0.040 WL (d) 0.048 WL (b) 7.5 pCi/L - If the Working Level concentration is 0.03 WL, using common assumptions of equilibrium (ER = 0.4), what is the radon concentration in the room? (a) 10.0 pCi/L (b) 7.5 pCi/L (c) 6.0 pCi/L (d) 5.0 pCi/L (b) 0.6 - If the Working Level concentration is 0.06 and the radon concentration is 10 pCi/L, what is the Equilibrium Ratio? (a) 0.4 (b) 0.6 (c) 1.0 (d) 4.0 (d) Radon 222 once formed, disappears in 3.8 days - Which of the following is an INCORRECT statement? (a) Radon 222 is a radioactive gas (b) Radon 222 is day product of radium (c) Radon 222 is an inert gas (d) Radon 222 once formed, disappears in 3.8 days (a) a measurement of 0.016 WL of radon decay products means 4 pCi/L of radon exists in the room - Which of the following is NOT necessarily a correct statement? (a) a measurement of 0.016 WL of radon decay products means 4 pCi/L of radon exists in the room (b) one picoCurie is one trillionth of a Curie (c) one pCi/L is equal to 2.2 disintegration's in a liter of air in a minute (d) WL is defined as the alpha energy released from radon decay products (b) a measure of the amount of radiation produced by the radon decay products - Working Level is a measure of: