Refrigerant 410A Certification ACTUAL EXAM QUESTIONS WITH
Refrigerant 410A Certification
COMPLETE SOLUTION GUIDE (A+ GRADED 100% VERIFIED) LATEST
Study online at https://quizlet.com/_5nvz09
1. R-410a is also -Suva 410a
known as? -AZ-20
-Puron
2. The temperature 0.3
glide for R-410a
is less than _____
degrees Fahrenheit
over air condi-
tioning and refrig-
eration operating
ranges.
3. Polyol Ester (POE): -Can be irritating to the skin
-Is hydroscopic
-Has improved heat transfer characteristics over mineral oils
4. The low pressure 50 psig
control on R-410a
systems will open
at:
5. Compression ratio Absolute discharge pressure divided by absolute suction pressure
is calculated as:
6. Both suction and 40% to 70% higher
discharge pressure
of R-410a systems
are _____ than R-22
systems.
7. Because of its high- Lower
er vapor capacity,
1/8
, Refrigerant 410A Certification
Study online at https://quizlet.com/_5nvz09
the discharge tem-
perature of R-410a
is _____ than R-22.
8. R-410a systems use 610 psig plus or minus 10psig
a high pressure
switch that will
open at approxi-
mately:
9. Subcooled liquid lose or gain
in the receiver
may _____ subcool-
ing, depending on
surrounding condi-
tions.
10. When installing a 800 psig
liquid line filter dri-
er on a R-410a sys-
tem, be certain that
it has a pressure
rating of at least:
11. The flow area of Smaller than that of a R-22 Metering device
a R-410a metering
device is:
12. Which of the follow- It may separate (fractionate) into its component refrigerants
ing statements is
true of R-407c
13. will not fractionate
2/8
Refrigerant 410A Certification
COMPLETE SOLUTION GUIDE (A+ GRADED 100% VERIFIED) LATEST
Study online at https://quizlet.com/_5nvz09
1. R-410a is also -Suva 410a
known as? -AZ-20
-Puron
2. The temperature 0.3
glide for R-410a
is less than _____
degrees Fahrenheit
over air condi-
tioning and refrig-
eration operating
ranges.
3. Polyol Ester (POE): -Can be irritating to the skin
-Is hydroscopic
-Has improved heat transfer characteristics over mineral oils
4. The low pressure 50 psig
control on R-410a
systems will open
at:
5. Compression ratio Absolute discharge pressure divided by absolute suction pressure
is calculated as:
6. Both suction and 40% to 70% higher
discharge pressure
of R-410a systems
are _____ than R-22
systems.
7. Because of its high- Lower
er vapor capacity,
1/8
, Refrigerant 410A Certification
Study online at https://quizlet.com/_5nvz09
the discharge tem-
perature of R-410a
is _____ than R-22.
8. R-410a systems use 610 psig plus or minus 10psig
a high pressure
switch that will
open at approxi-
mately:
9. Subcooled liquid lose or gain
in the receiver
may _____ subcool-
ing, depending on
surrounding condi-
tions.
10. When installing a 800 psig
liquid line filter dri-
er on a R-410a sys-
tem, be certain that
it has a pressure
rating of at least:
11. The flow area of Smaller than that of a R-22 Metering device
a R-410a metering
device is:
12. Which of the follow- It may separate (fractionate) into its component refrigerants
ing statements is
true of R-407c
13. will not fractionate
2/8
