Questions and Answers
with Complete
Solutions 100% Correct
A curie is defined as:
Select one:
a. the amount of energy in one disintegration
b. a measure of gamma radiation
,c. radioactive decay by electron emission
d. the radioactivity of one gram of radium -
{✔✔ANSWER✔✔}-d. the radioactivity of one gram of
radium
A Measurement Technician should provide results and an
interpretation of the measurements to the client.
Select one:
a. True
b. False - {✔✔ANSWER✔✔}-b. False
How frequently are continuous radon monitors to be
calibrated?
Select one:
a. Annually
b. Every six months
c. Every two years if the user initially passed a Performance test
when they became certified
d. Whenever the side-by-side comparison of a continuous
monitor has a deviation of more than 25 percent -
{✔✔ANSWER✔✔}-a. Annually
, How long should the exterior doors and windows of a home be
closed before starting a two-day, short-term test?
Select one:
a. 4 hours to reach secular equilibrium
b. 12 hours to reach dynamic equilibrium
c. Only need to be closed during the test
d. They need only be closed if the occupant normally keeps
them closed - {✔✔ANSWER✔✔}-b. 12 hours to reach
dynamic equilibrium
How should a heat recovery ventilator (HRV) or an Energy
Recovery Ventilator (ERV) be operated during a short-term
radon test?
Select one:
a. It is to be shut-off to determine the radon potential of the
home
b. It should be operated at its maximum setting to demonstrate
its maximum effect on reducing radon