with solutions 2025
As technicians we must stay up to date on - ANSWER Federal state and local law
For universal certification you will receive how many questions - ANSWER 100
What is passing grade for all epa certifications - ANSWER 70%
True or false you must memorize all regulations because they will stay the same forever -
ANSWER False
Can chlorine from the environment come from natural resources such as volcanoes - ANSWER
Yes but they are not the primary source
True or false Ground level ozone is is what reflects and absorbs harmful uv rays from the sun -
ANSWER False
In which way does ozone depletion affect humans - ANSWER Increased risk of skin cancer and
cataracts
Is there evidence that refrigerants are in the stratosphere - ANSWER Yes
One molecule of chlorine can destroy how many molecules of ozone - ANSWER 100,000
Ozone has ____ oxygen atoms. - ANSWER 3
,True or false the majority of the ozone is located in the troposphere - ANSWER False
How many molecules of ozone can three molecules of chlorine destroy - ANSWER 300,000
What is the major function of ozone in the stratosphere - ANSWER Absorb and reflect uv rays
from the sun
What is the primary source of Chlorine in the stratosphere - ANSWER Emissions of refrigerants
by human like cfc and hcfc
What molecule destroys the ozone layer - ANSWER Chlorine
Which of the following are effects of the ozone layer depletion - ANSWER Decreasing crop yields
and threat to wild and marine life
Who does ozone depletion affect - ANSWER People all over the world
After refrigerant is phased out can equipment still contain refrigerant - ANSWER Yes
After refrigerant is phased out can technicians service equipment containing that refrigerant -
ANSWER Yes
After being phased out, where can technicians obtain refrigerant to service equipment that
contains that refrigerant? - ANSWER From recovered or reclaimed refrigerant
Can refrigerant be resold - ANSWER Yes, but only if it has been reclaimed to AHRI Standard 700
specifications
, Equipment has to be certified to epa standards in order to recover which refrigerants - ANSWER
Cfc hcfc hfc
If you are selling r 22 refrigerant who can you sell to - ANSWER A technician or business with an
epa 608
If you recover r 22 can you use the recovered refrigerant in another device owned by a different
person - ANSWER Yes but only if it is reclaimed and meets ahri 700 standards
In the United States when we're all CFCs phased out - ANSWER 1995
In the United States when we're r22 r124b phased out - ANSWER 2020
In the United States when will all HCFCS be phased out - ANSWER 2030
What records should be kept for r22 - ANSWER Type of refrigerant, dates and quantity of
refrigerant
Section 608 of EPA Clean Air Act is - ANSWER Federal law
State and local regulations - ANSWER Have to be followed with federal law and may be stricter
The venting prohibition requires that you recover affected refrigerant before - ANSWER
Opening, servicing, disposing equipment
Under section 608 regulations who is responsible for ensuring that all refrigerant is removed
before disposing of equipment that contains refrigerant - ANSWER final person in the disposal
chain