Air Conditioning Certification Exam (Exam Code
A-02) Exam Questions with Correct Answers |
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Practice questions for this set
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between the condenser and the metering device.
Choose an answer
Which of the following is NOT a
thermodynamic property of
refrigerants?
Heat which causes a change in
1 2 a) Critical point.
temperature of a substance is called;
b) Saturation point.
c) Enthalpy.
d) Flammability.
A liquid line filter-drier should be The movement of heat by way of
3 4
placed; fluid (or air) is called;
, Don't know?
Terms in this set (100)
Heat which causes a sensible heat.
change in temperature of
a substance is called;
Heat which causes a latent heat.
change in state of a
material without a change
in temperature is called;
Heat which is added to a superheat.
vapor after the change of
state occurs is called;
Heat can travel by; conduction, convection, radiation.
The movement of heat by convection .
way of fluid (or air) is
called;
The movement of heat by conduction .
direct contact is called;
The standard unit for the British Thermal Unit (Btu).
measuring the quantity of
heat in a substance is;
A refrigerat gives up heat it condenses.
when;
It is desirable for insure liquid refrigerant does not enter the
refrigerant in the suction compressor.
line to be slightly
superheated in order to;
The state of refrigerant in low pressure/ low temperature.
the suction line should be;
, The state of the high pressure/ highly superheated liquid.
refrigerant entering the
condenser is;
The evaporator; Transfers heat from the refrigerant to the ambient air.
Which of the following is d) Flammability.
NOT a thermodynamic
property of refrigerants?
a) Critical point.
b) Saturation point.
c) Enthalpy.
d) Flammability.
The sequential order of compression, condensation, expansion, vaporization.
steps in the vapor -
compression process are;
If a 30 pound cylinder of 70.2 Psig.
reclaimed R-12 refrigerant
has been stored over
night at 70°F, the pressure
in the cylinder should be
approximately;
Pressures lower than d) either "A" or "B".
atmospheric are measured
in;
a) inches of mercury
b) microns
c) Psig
d) either "A" or "B".
Zero psia (pounds per a pressure which cannot be further reduced.
square inch absolute) is;
Zero psig (pounds per the same as atmospheric pressure.
square inch guage) is;
A-02) Exam Questions with Correct Answers |
Guaranteed Success
Save
Practice questions for this set
Learn 1 /7 Study with Learn
between the condenser and the metering device.
Choose an answer
Which of the following is NOT a
thermodynamic property of
refrigerants?
Heat which causes a change in
1 2 a) Critical point.
temperature of a substance is called;
b) Saturation point.
c) Enthalpy.
d) Flammability.
A liquid line filter-drier should be The movement of heat by way of
3 4
placed; fluid (or air) is called;
, Don't know?
Terms in this set (100)
Heat which causes a sensible heat.
change in temperature of
a substance is called;
Heat which causes a latent heat.
change in state of a
material without a change
in temperature is called;
Heat which is added to a superheat.
vapor after the change of
state occurs is called;
Heat can travel by; conduction, convection, radiation.
The movement of heat by convection .
way of fluid (or air) is
called;
The movement of heat by conduction .
direct contact is called;
The standard unit for the British Thermal Unit (Btu).
measuring the quantity of
heat in a substance is;
A refrigerat gives up heat it condenses.
when;
It is desirable for insure liquid refrigerant does not enter the
refrigerant in the suction compressor.
line to be slightly
superheated in order to;
The state of refrigerant in low pressure/ low temperature.
the suction line should be;
, The state of the high pressure/ highly superheated liquid.
refrigerant entering the
condenser is;
The evaporator; Transfers heat from the refrigerant to the ambient air.
Which of the following is d) Flammability.
NOT a thermodynamic
property of refrigerants?
a) Critical point.
b) Saturation point.
c) Enthalpy.
d) Flammability.
The sequential order of compression, condensation, expansion, vaporization.
steps in the vapor -
compression process are;
If a 30 pound cylinder of 70.2 Psig.
reclaimed R-12 refrigerant
has been stored over
night at 70°F, the pressure
in the cylinder should be
approximately;
Pressures lower than d) either "A" or "B".
atmospheric are measured
in;
a) inches of mercury
b) microns
c) Psig
d) either "A" or "B".
Zero psia (pounds per a pressure which cannot be further reduced.
square inch absolute) is;
Zero psig (pounds per the same as atmospheric pressure.
square inch guage) is;
