Radon multiple choice
-
What is an atom?
a and b
(wrong answers:
Smallest building block of matter,
Made of neutrons, protons, and electrons,
The center is called the neutron,
Biggest building block of matter,
c and d)
-
What is an alpha particle comprised of?
2 neutrons and 2 protons
(wrong answers:
1 neutron and 1 proton,
a nucleus ,
1 protons,
all of the above,
none of the above)
-
If an atom was the size of the Houston Astrodome, the size of it's nucleus would be?
Roughly the size of a pea
(wrong answers:
Roughly the size of a basketball,
Roughly the size of a seed,
none of the above)
-
What is a picocurie?
A unit of radioactivity corresponding to one decay every 27 seconds in a volume of one liter, or 0.037 decays per second in every liter of air.
(wrong answers:
A unit of radioactivity corresponding to one decay every 27 seconds in a volume of one liter, or 0.027 decays per second in every liter of air.,
A unit of radioactivity corresponding to one decay every 27 minutes in a volume of one liter, or 0.037 decays per second in every liter of air.,
none of the above)
-
What is a curie?
A standard measurement for radioactivity, specifically the rate of decay for a gram of radium - 37 billion decays per second. A unit of radioactivity equal to 3.7 x 10¹⁰ disintegrations per second.
(wrong answers:
A standard measurement for radioactivity, specifically the rate of decay for a gram of radium - 37 billion decays per minute. A unit of radioactivity equal to 3.7 x 10¹⁰ disintegrations per second.,
A standard measurement for radioactivity, specifically the rate of decay for a gram of radium - 37 billion decays per second. A unit of radioactivity equal to 2.7 x 10¹⁰ disintegrations per second.,
none of the above)
-
What is the greatest health risk?
Gamma Rays
(wrong answers:
Alpha Rays,
Beta Rays,
Sex)
-
How many people out of 1000 who smoke get cancer?
62
(wrong answers:
103,
542,
7.8)
-
How many non smokers get cancer out of 1000?
7.3
(wrong answers:
54,
331,
0)
-
What is the biggest contributor to lung cancer?
Smoking
(wrong answers:
Radon,
Pollution,
Perfume)
-
The radon/radon progeny measurement device should be placed at least __ inches above the floor and at least __ inches away from other objects.
20/4
(wrong answers:
15/5,
50/6,
10/2)
-
If there are no openings in the exterior wall, the device should not be placed within 1 foot of that wall.
True
(wrong answers:
False)
-
Where should the radon/radon progeny measurement device be placed in the home?
The lowest livable level of the house
(wrong answers:
The highest livable level of the house,
The crawlspace,
The backyard)
-
The measurement device should not be placed within __ feet of windows or other openings in the exterior wall.
3 feet
(wrong answers:
2 feet,
10 feet,
5 feet)
-
A certified radon professional must be responsible for doing the entire test.
True
(wrong answers:
False)
-
The EPA recommends ___-house conditions during the test period, except for normal entering or exiting of the home.
Closed
(wrong answers:
Open,
Dark,
you know this answer, lmao)
-
In tests lasting less than four days (96 hours), closed-house conditions must be maintained for at least __ hours before starting the test.
12
(wrong answers:
1,
5,
0)
-
If a radon tester comes to a house to place a short-term test lasting three days or less and notices that the windows are still open, what should the tester do?
all of the above
(wrong answers:
Inform the homeowner that closed-house conditions were not met and reschedule the test for a later date.,
Inform the homeowner that closed-house conditions were not maintained, close all windows and doors, and begin testing at least 12 hours after closed-house conditions have been met.,
Perform a four- to ninety-day test maintaining closed-house conditions while the test is in progress.,
Perform a long-term test, greater than 90 days, under normal living conditions. ,
none of the above)
-
How soon should an Alpha Track Detector (ATD) be deployed after receiving it??
As soon as possible
(wrong answers:
24 hours,
it doesnt matter when,
48 hours)
-
How often should a continuous working level monitor be re-calibrated?
Annually
(wrong answers:
weekly,
after every use,
never)