Revised Correct Answers
BEST UPDATED!!
Measurements of CFCs in air samples from the stratosphere.....
- ANSWER Positive evidence that CFCs are in the
stratosphere
Evidence of chlorine monoxide in the upper stratosphere
indicates.... - ANSWER that the ozone layer is being
destroyed
Internal pressure of a cylinder with one ounce of liquid
refrigerant.... - ANSWER is exactly the same as a full
cylinder
Disposable, and refillable cylinders are.... - ANSWER
Regulated in design, fabrication, and testing by the D.O.T for
use in transportation of refrigerants
, Whenever a technician is working with unknown solvents,
chemicals or refrigerants... - ANSWER The technician
should review MSDS which should be shipped with the
compounds
Refrigerants are heavier than air - ANSWER this can
displace the air in a room, leaving no breathing air in a room
(leading to asphyxia)
Ozone in the stratosphere above the earth consist of: -
ANSWER Molecules containing 3 oxygen atoms (O3)
Chlorine and Bromine in refrigerants causes: - ANSWER
Stratospheric ozone depletion
Stratospheric ozone depletion... - ANSWER is a global
problem
A large spill of refrigerant in a confined space, a technician
should do the following: - ANSWER Evacuate and return
wearing self-contained breathing apparatus
, CFCs are very stable - ANSWER CFCs do not break down in
water(not removed by rain). because of this stability, CFCs are
able to reach the stratosphere
The ozone layer protects the earth from ultraviolet radiation
from the sun. The following are possible results of damage to
this layer: - ANSWER Skin Cancer, cataracts, suppression of
the immune system, reduced crop yields, reduced marine life,
increased degradation of polymers, and climate change
Chlorine in the stratosphere - ANSWER is believed to come
primarily from CFCs rather than natural sources such as
volcanoes
Consumer complaints regarding additional service expense
caused by recovery efforts: - ANSWER explain recovery is
necessary to protect human health and the environment.
required by federal law. duty bound to follow the law and
protect the environment
Capturing and ultimately eliminating the use of
chlorofluorocarbons in the united states is being done to: -
ANSWER stop damage to the stratospheric ozone layer