Technicians that handle refrigerant during service, maintenance, or repair of small appliances must have:
Universal certification
Type I
Type I or Universal certification
Type I or Universal certification
MVAC or motorized vehicle air conditioning systems fall under the small appliance regulations
True
False
False
Temperature/pressure chart is used for which of the following:
Identify the refrigerant
Compressing ability of Refrigerant
All the options are correct
Specific heat of air
Identify the refrigerant
EPA defines a small appliance as a product that is fully manufactured, charged, and hermetically sealed in a factory
with ______ or less of refrigerant:
ten pounds
twenty pounds
five pounds
fifteen pounds
Five Pounds
Recovery equipment manufactured before November 15, 1993 must be capable of recovering ______ of the
refrigerant:
80%
60%
90%
70%
80%
All refrigerant recovery equipment should be checked for _____ on a daily basis:
Refrigerant leaks
Oil level
Both Oil level and Refrigerant leaks
Both Oil level and Refrigerant leaks
,____ uses its own power to recover the refrigerant from systems:
Passive recovery equipment
Both Active and Passive recovery equipment
Active recovery equipment
Active recovery equipment
Sale of which of the following refrigerants are not limited to technicians:
CFC
HCFC
All the refrigerants are restricted
HFC
HFC
Which refrigerants can be mixed in recovery cylinder:
R410a and R11
R410a, R22 and R11
R410a and R22
Refrigerants should not be mixed
Refrigerants should not be mixed
A _______captures refrigerant into a non-pressurized container:
Active recovery process
Both Active or Passive recovery process
Passive recovery process
Passive recovery process
All appliances must have a service aperture valve for which of the following:
Both for recovering and charging refrigerant
Charging refrigerants:
Recovering refrigerants
Both for recovering and charging refrigerant
References to the pressure/temperature chart for determining the type of refrigerant are only valid if the _____ is
known:
Volume of Cylinder
Pressure
Temperature
Temperature
System-dependent recovery process must use a pressurized container to capture the refrigerant
True
False
False
, For refrigerators, if the refrigerant is ammonia or sulfur dioxide, the thermodynamic cooling process typically is of
which of the following:
Heat-driven absorption
Vapor compression
Both the options are correct
Heat-Driven Absorption
Do not use vacuum pumps or recovery machines on equipment that contains hydrogen:
True
False
True
In which of the following recovery system only a single piercing access valve needs to be installed
System-dependent recovery unit
Self-contained recovery unit
Self-contained recovery unit
Which of the following test is used to determine the type of refrigerant:
ARI 1100 purity test
ARI 740 purity test
ARI 700 purity test
ARI 1000 purity test
ARI 700 Purity Test
Hydrogen and water present as components of refrigerants are required to be recovered by EPA regulations:
False
True
False
A graduated charging cylinder is designed to charge a system accurately with refrigerant:
False
True
True
Not opening the tank inlet valve or having excess air will cause higher discharge pressures in self-contained recovery
device
False
True
True
Universal certification
Type I
Type I or Universal certification
Type I or Universal certification
MVAC or motorized vehicle air conditioning systems fall under the small appliance regulations
True
False
False
Temperature/pressure chart is used for which of the following:
Identify the refrigerant
Compressing ability of Refrigerant
All the options are correct
Specific heat of air
Identify the refrigerant
EPA defines a small appliance as a product that is fully manufactured, charged, and hermetically sealed in a factory
with ______ or less of refrigerant:
ten pounds
twenty pounds
five pounds
fifteen pounds
Five Pounds
Recovery equipment manufactured before November 15, 1993 must be capable of recovering ______ of the
refrigerant:
80%
60%
90%
70%
80%
All refrigerant recovery equipment should be checked for _____ on a daily basis:
Refrigerant leaks
Oil level
Both Oil level and Refrigerant leaks
Both Oil level and Refrigerant leaks
,____ uses its own power to recover the refrigerant from systems:
Passive recovery equipment
Both Active and Passive recovery equipment
Active recovery equipment
Active recovery equipment
Sale of which of the following refrigerants are not limited to technicians:
CFC
HCFC
All the refrigerants are restricted
HFC
HFC
Which refrigerants can be mixed in recovery cylinder:
R410a and R11
R410a, R22 and R11
R410a and R22
Refrigerants should not be mixed
Refrigerants should not be mixed
A _______captures refrigerant into a non-pressurized container:
Active recovery process
Both Active or Passive recovery process
Passive recovery process
Passive recovery process
All appliances must have a service aperture valve for which of the following:
Both for recovering and charging refrigerant
Charging refrigerants:
Recovering refrigerants
Both for recovering and charging refrigerant
References to the pressure/temperature chart for determining the type of refrigerant are only valid if the _____ is
known:
Volume of Cylinder
Pressure
Temperature
Temperature
System-dependent recovery process must use a pressurized container to capture the refrigerant
True
False
False
, For refrigerators, if the refrigerant is ammonia or sulfur dioxide, the thermodynamic cooling process typically is of
which of the following:
Heat-driven absorption
Vapor compression
Both the options are correct
Heat-Driven Absorption
Do not use vacuum pumps or recovery machines on equipment that contains hydrogen:
True
False
True
In which of the following recovery system only a single piercing access valve needs to be installed
System-dependent recovery unit
Self-contained recovery unit
Self-contained recovery unit
Which of the following test is used to determine the type of refrigerant:
ARI 1100 purity test
ARI 740 purity test
ARI 700 purity test
ARI 1000 purity test
ARI 700 Purity Test
Hydrogen and water present as components of refrigerants are required to be recovered by EPA regulations:
False
True
False
A graduated charging cylinder is designed to charge a system accurately with refrigerant:
False
True
True
Not opening the tank inlet valve or having excess air will cause higher discharge pressures in self-contained recovery
device
False
True
True
