AHR-110 EXAM 3 STUDY GUIDE 102
QUESTIONS WITH ALL CORRECT
ANSWERS!!
1 of
101
Term
Proper maintenance for a vacuum pump would include which of the
following?
Give this one a try later!
Changing the oil as often as They are all methane-based
necessary refrigerants.
, Illegal as set forth by Calibrated based on the cylinder
EPA regulations. pressure.
Don't know?
2 of 101
Term
It is estimated that a single chlorine atom can destroy up to
______ ozone molecules.
Give this one a try later!
100,000 Type I
400's 760,000
Don't know?
3 of 101
Term
Of the following refrigerants, which is best suited as a
retrofit refrigerant for an R-22 residential air-conditioning
system?
Give this one a try later!
, 7°F False
Mid-Seated R-407C
Don't know?
4 of 101
Term
Atmospheric pressure, 0 psig, is the equivalent of about
__________ microns.
Give this one a try later!
760,000 Type I
400's 100°F
Don't know?
5 of 101
Term
Which of the following conditions requires a system
cleanup, an oil test, and oversized filters to be added to
the system?
, Give this one a try later!
Hydrogen, Will not pit or corrode the
Fluorine and Carbon
components
A compressor motor burnout They are both refrigerant blends.
Don't know?
6 of 101
Term
A technician is working on an R-404A refrigeration system
and
determines that the head pressure is 205 psig and the
condenser outlet temperature is 80°F. The technician
correctly concludes that the amount of condenser
subcooling is
Give this one a try later!
10°F. Recovering
Degassing 760,000
Don't know?
7 of 101
Term
QUESTIONS WITH ALL CORRECT
ANSWERS!!
1 of
101
Term
Proper maintenance for a vacuum pump would include which of the
following?
Give this one a try later!
Changing the oil as often as They are all methane-based
necessary refrigerants.
, Illegal as set forth by Calibrated based on the cylinder
EPA regulations. pressure.
Don't know?
2 of 101
Term
It is estimated that a single chlorine atom can destroy up to
______ ozone molecules.
Give this one a try later!
100,000 Type I
400's 760,000
Don't know?
3 of 101
Term
Of the following refrigerants, which is best suited as a
retrofit refrigerant for an R-22 residential air-conditioning
system?
Give this one a try later!
, 7°F False
Mid-Seated R-407C
Don't know?
4 of 101
Term
Atmospheric pressure, 0 psig, is the equivalent of about
__________ microns.
Give this one a try later!
760,000 Type I
400's 100°F
Don't know?
5 of 101
Term
Which of the following conditions requires a system
cleanup, an oil test, and oversized filters to be added to
the system?
, Give this one a try later!
Hydrogen, Will not pit or corrode the
Fluorine and Carbon
components
A compressor motor burnout They are both refrigerant blends.
Don't know?
6 of 101
Term
A technician is working on an R-404A refrigeration system
and
determines that the head pressure is 205 psig and the
condenser outlet temperature is 80°F. The technician
correctly concludes that the amount of condenser
subcooling is
Give this one a try later!
10°F. Recovering
Degassing 760,000
Don't know?
7 of 101
Term
