2
Skillcat Core and type 3 Questions Epa 608 with accurate
|| || || || || || || || || ||
detailed solutions ||
(T or F) Ground level ozone is what
|| || || || || || || ||
absorbs and reflects harmful UV rays
|| || || || || || FALSE (That is the Stratospheric ozone)
|| || || || ||
from the sun || ||
(T or F) The majority of ozone is
FALSE (It is in the Stratosphere)
|| || || || || || || ||
located in the Troposphere
|| || || || ||
|| || ||
Equipment has to be certified to EPA || || || || || || ||
standards in order to recover which of CFCs, HCFCs, and HFCs
|| || || || || || || || || ||
the following refrigerants?
|| ||
If you recover R-12 refrigerant, can
|| || || || || ||
you use the recovered refrigerant in
|| || || || || || Yes, but only if it has been reclaimed to AHRI
|| || || || || || || || || ||
another device owned by a different || || || || || || Standard 700 specifications || ||
person?
Who does not need to maintain
The EPA (Owners and technicians must)
|| || || || || ||
proper records of refrigerants?
|| || || || ||
|| || ||
Catastrophic equipment failure, Accidental release
What examples are considered de
|| || || || ||
with timely repair, and releases when
|| || || || ||
minimis releases of refrigerant?
|| || || || || ||
connecting/disconnecting low loss fittings
|| || ||
|| || ||
What is the lifespan of refrigerant
70-100 years
|| || || || || ||
chemicals?
||
Refrigeration Cycle and Physics || || ||
Question Answer
(T or F) The boiling point of most refrigerants is 212 °F.
|| || || || || || || || || || || FALSE
When pressure is increased on a liquid while keeping the
Solid
|| || || || || || || || || ||
temperature constant, what state can the substance change into? || || || || || || || ||
What is the compressor's job?
|| || || || To increase pressure
|| ||
, 2
Question Answer
To cool the high
What is the condenser's job?
|| || || ||
pressure vapor
|| || || ||
||
When the refrigerant enters the compressor from the evaporator,
Superheated Vapor
|| || || || || || || || ||
what state is it in?
||
|| || || ||
Vapor (Discharge from
Which refrigeration cycle states has the highest temperature?
|| || ||
compressor)
|| || || || || || ||
(T or F) Boiling requires the addition of heat.
|| || || || || || || || TRUE
(T or F) In the condenser, the refrigerant changes state.
|| || || || || || || || || TRUE (Vapor to Liquid)
|| || ||
Refrigerant Classifications and Properties
|| || ||
Question Answer
What is an example of HCFC?
|| || || || || R-22
What is the boiling point for R-410A?
|| || || || || || -48.5°C (-55.3°F) ||
What is the boiling point for R-134a?
|| || || || || || -26.3°C (-15.34°F) ||
Examples of HFC refrigerants
|| || || R-32, R-125, and R-134a
|| || ||
Which refrigerant type is not compatible with silicone
HFOs
|| || || || || || || ||
elastomers used in seals and gaskets?|| || || || ||
R-290 (Propane) and R-600a
Examples of HC (Hydrocarbon) refrigerants
|| || || ||
(Isobutane)
|| || || ||
R-717 (Ammonia), R-744 (CO2),
Examples of natural refrigerants
|| || || ||
and R-290 (Propane)
|| || ||
|| ||
What is the ODP of R-410a and R-441a?
|| || || || || || || 0
What is the GWP of R-410a?
|| || || || || 2088
Other than hydrogen, which molecules do HFCs contain? Carbon and Fluorine
|| || || || || || || || ||
(T or F) Hydrocarbons are generally A3 refrigerants
|| || || || || || || TRUE
Skillcat Core and type 3 Questions Epa 608 with accurate
|| || || || || || || || || ||
detailed solutions ||
(T or F) Ground level ozone is what
|| || || || || || || ||
absorbs and reflects harmful UV rays
|| || || || || || FALSE (That is the Stratospheric ozone)
|| || || || ||
from the sun || ||
(T or F) The majority of ozone is
FALSE (It is in the Stratosphere)
|| || || || || || || ||
located in the Troposphere
|| || || || ||
|| || ||
Equipment has to be certified to EPA || || || || || || ||
standards in order to recover which of CFCs, HCFCs, and HFCs
|| || || || || || || || || ||
the following refrigerants?
|| ||
If you recover R-12 refrigerant, can
|| || || || || ||
you use the recovered refrigerant in
|| || || || || || Yes, but only if it has been reclaimed to AHRI
|| || || || || || || || || ||
another device owned by a different || || || || || || Standard 700 specifications || ||
person?
Who does not need to maintain
The EPA (Owners and technicians must)
|| || || || || ||
proper records of refrigerants?
|| || || || ||
|| || ||
Catastrophic equipment failure, Accidental release
What examples are considered de
|| || || || ||
with timely repair, and releases when
|| || || || ||
minimis releases of refrigerant?
|| || || || || ||
connecting/disconnecting low loss fittings
|| || ||
|| || ||
What is the lifespan of refrigerant
70-100 years
|| || || || || ||
chemicals?
||
Refrigeration Cycle and Physics || || ||
Question Answer
(T or F) The boiling point of most refrigerants is 212 °F.
|| || || || || || || || || || || FALSE
When pressure is increased on a liquid while keeping the
Solid
|| || || || || || || || || ||
temperature constant, what state can the substance change into? || || || || || || || ||
What is the compressor's job?
|| || || || To increase pressure
|| ||
, 2
Question Answer
To cool the high
What is the condenser's job?
|| || || ||
pressure vapor
|| || || ||
||
When the refrigerant enters the compressor from the evaporator,
Superheated Vapor
|| || || || || || || || ||
what state is it in?
||
|| || || ||
Vapor (Discharge from
Which refrigeration cycle states has the highest temperature?
|| || ||
compressor)
|| || || || || || ||
(T or F) Boiling requires the addition of heat.
|| || || || || || || || TRUE
(T or F) In the condenser, the refrigerant changes state.
|| || || || || || || || || TRUE (Vapor to Liquid)
|| || ||
Refrigerant Classifications and Properties
|| || ||
Question Answer
What is an example of HCFC?
|| || || || || R-22
What is the boiling point for R-410A?
|| || || || || || -48.5°C (-55.3°F) ||
What is the boiling point for R-134a?
|| || || || || || -26.3°C (-15.34°F) ||
Examples of HFC refrigerants
|| || || R-32, R-125, and R-134a
|| || ||
Which refrigerant type is not compatible with silicone
HFOs
|| || || || || || || ||
elastomers used in seals and gaskets?|| || || || ||
R-290 (Propane) and R-600a
Examples of HC (Hydrocarbon) refrigerants
|| || || ||
(Isobutane)
|| || || ||
R-717 (Ammonia), R-744 (CO2),
Examples of natural refrigerants
|| || || ||
and R-290 (Propane)
|| || ||
|| ||
What is the ODP of R-410a and R-441a?
|| || || || || || || 0
What is the GWP of R-410a?
|| || || || || 2088
Other than hydrogen, which molecules do HFCs contain? Carbon and Fluorine
|| || || || || || || || ||
(T or F) Hydrocarbons are generally A3 refrigerants
|| || || || || || || TRUE
