CORE Question:
Which gas is used as the baseline measurement for global warming potential
Carbon Dioxide
Name a type of HFO refrigerant used in Type 3 appliances
R1233zd
What two categories of the EPA share the same leak repair requirements
Type 2 and Type 3
Ozone Depletion in the Stratosphere is what kind of problem?
A Global Problem
R22 went BYE BYE
January 1 2020
Type 3 Time:
How long must a technician evacuating refrigerant from appliances with a full charge of more than 5 pounds and less than 50 pounds that are being disposed of keep records of the event?
3 years
A preassembled unit, hermetically sealed with a factory charge of less than 5lbs
Small Appliance
How multiple relief valves should be installed
Never in series
Parallel
How many Oxygen Atoms does 1 Ozone Molecule Have?
3
The maximum allowable leak rate for Comfort cooling set to 10%
January 19, 2019
Type 1 Question:
A very large refrigerant leak can cause suffocation because refrigerants are____________________
Are Heavier than Air
At 201 PSIG, R410a is at what temp?
70°
Nitrogen tanks must have the following with them
Regulators
These refrigerants have the highest ODP
CFC, Chlorofluorocarbon's
The Year HCFC will be phased out
2030
CORE Question:
Which process applies to cleaning refrigerant for immediate reuse by oil separation and single or multiple passes through devices, like replaceable core filter driers, which reduce moisture and acidity
Recyclling
High Flammability and High Toxicity are rated this
B3
______________ is required for handling and purchasing regulated refrigerants
Passing the EPA Certification Exam
EPA License
These refrigerant pose the least amount of danger to the enviroment
HC, Hydrocarbons
Recovery and Recycling Equipment manufactured after this day must be certified and labeled by and EPA approved test lab
November 15,1993
Type 2:
When could a reciprocating compressor be damaged if energized
When the discharge valve is front seated/closed
The maximum test pressure for a low pressure appliance?
10 psig
This is what Isopropyl Alcohol is used for
clearing Ice off of a site glass
A single chlorine atom can destroy how ozone molecules
100,000
Updated Section 608 regulations include new leak inspection and verification test requirements for owners and operators that affect technicians as of this date
January 1, 2019