EXAM (INTERNACHI AND AARST) EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Radon is the _____ most important cause of lung cancer
after smoking in many countries. - ANSWERS-2nd
T/F: The World Health Organization (WHO) says radon
causes up to 15% of lung cancers worldwide. - ANSWERS-
true
T/F: There exists a known threshold concentration below
which radon exposure presents no risk. - ANSWERS-false
T/F: Since alpha particles are more massive and more highly
charged than other types of ionizing radiation, they are
more damaging to living tissue. - ANSWERS-true
,T/F: Evidence exists that shows a threshold of exposure
below which radon levels are harmless. - ANSWERS-false
T/F: Radon is a known human lung carcinogen and is the
largest source of radiation exposure and risk to the general
public. - ANSWERS-true
A difference in _____ between the basement or crawlspace
and the surrounding soil draws radon into the home. -
ANSWERS-air pressure
The objective of a sub-slab or sub-membrane
depressurization system is to create a _____ beneath the
foundation, which is greater in strength than the vacuum
imposed on the soil by the house itself. - ANSWERS-vacuum
T/F: Radon gas is approximately seven times heavier than
air. - ANSWERS-true
We estimate that about 1 in _____ homes nationwide have
levels at or above the level of 4 pCi/l, the level at which it is
recommended to take action to reduce concentrations. -
ANSWERS-15
,T/F: You can see, feel, smell, and taste radon. - ANSWERS-
false
This standard of practice specifies procedures and minimum
requirements when measuring radon concentrations in
_____ residences for determining if radon mitigation is
necessary to protect current and future occupants. -
ANSWERS-single-family
This standard applies to homeowners, professionals and any
other party seeking to determine if radon mitigation is
necessary for _____ purposes. - ANSWERS-real estate or
non-real estate
_____ on any parcel of land can have a radon problem. -
ANSWERS-any home
_____ is the only way to know if there's a radon problem in
a house. - ANSWERS-testing
T/F: New homes do NOT need to be tested. - ANSWERS-false
, T/F: Every home should be tested to include new and old
homes. - ANSWERS-true
Homes can be tested at _____ time of the year. - ANSWERS-
any
T/F: To prevent the possibility of long-term exposure to a
radon hazard, homeowners should take the opportunity to
test in association with moving into any new or existing
home or dwelling. - ANSWERS-true
T/F: Avoid testing during unusual local severe weather if the
test period is less than 4 days. - ANSWERS-true
"_____" are those that collect a time-weighted average and
do not provide hourly readings. - ANSWERS-passive devices
"_____" are monitors that can integrate, record and
produce reviewable readings in time increments of 1 hour,
and can be recalibrated periodically. - ANSWERS-continuous
monitors