
#5 EPA 608 Type I

Quiz
•
Other
•
11th Grade - Professional Development
•
Medium
Mike Conway
Used 149+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A very large refrigerant leak can cause suffocation because refrigerants;
smell strong and make breathing difficult.
are lighter than air and cause dizziness.
are heavier than air and displace oxygen.
sting the nose and cause sneezing.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Equipment which is used to recover CFC, HCFC, and HFC refrigerant from small appliances for the purpose of disposal must meet what standard?
Recover 95% or the refrigerant whether or not the compressor is operative.
Recover 80% of the refrigerant with an inoperative compressor and 90% of the refrigerant with an operative compressor.
Recover 90% of the refrigerant with an inoperative compressor and 80% of the refrigerant with an operative compressor.
Recover 75% of the refrigerant within 5 minutes.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For which of the following refrigeration systems/appliances would it be permissible to use a passive recovery device for recovery of CFCs, HCFCs, and HFCs?
A centrifugal air conditioner
A reciprocating liquid chiller
A single compressor, large commercial walk-in freezer
A domestic refrigerator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a large leak of refrigerant occurs, such as from a filled cylinder in an enclosed area, what action should be taken when no self-contained breathing apparatus is available?
Use butyl lined gloves and try to stop the leak.
Use a leak detector to locate the leak and try to stop the leak.
Vacate and naturally ventilate the spill area.
Make sure the unit is de-energized, close the service valves and try to stop the leak.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Permanent safety markings are NOT required on which of the following areas on household refrigerators using HC refrigerants?
On or near any evaporators and near any exposed refrigerant tubing.
Near the machine compartment.
On the inside of the refrigerator door.
On the exterior of the refrigerator.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can CFC and HCFC refrigerants decompose into at high temperatures (e.g. open flames, glowing metal surfaces, etc.)?
Boric and chromic acids
Sulfuric and phosphoric acids
Hydrochloric and hydrofluoric acids
Phosphoric and dodecylbenzenesulfonic acid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate pressure of a storage cylinder of recovered R-404A that does not contain any non-condensable impurities and is stored in a room where the temperature is 80°F?
68 psig
72 psig
174 psig
288 psig
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