EPA SECTION 1: QUESTIONS & ACCURATE SOLUTIONS
Which of the following is required by the EPA when attaching a gauge set?
A) A red colored high-pressure hose and a blue colored low-pressure hose
B) Self-sealing valves on the ends of the gauge set hoses to minimize any
release of refrigerant
C) Manual hand valves on the ends of the gauge set hoses to minimize any
release of refrigerant
D) either B or C Right Ans - Which of the following is required by the EPA
when attaching a gauge set?
D) either B or C
The maximum allowable factory charge for a Type I appliance is ________.
A) 1 pound
B) 3 pounds
C) 5 pounds
D) 7 pounds Right Ans - The maximum allowable factory charge for a Type
I appliance is ________.
C) 5 pounds
For a system with an operating compressor and a restricted capillary tube,
what is the minimum number of access valves needed and where would you
place them?
A) Only one access valve on the low side of the system
B) Only one access valve on the high side of the system
C) Two valves, one on the high side and one on the low side of the compressor
D) Three valves, one on the high side and one on the low side of the
compressor and the third at the condenser outlet Right Ans - For a system
,with an operating compressor and a restricted capillary tube, what is the
minimum number of access valves needed and where would you place them?
B) Only one access valve on the high side of the system
A passive recovery device can be used for a ________.
A) reciprocating liquid chiller with a charge of 100 pounds
B) small commercial walk-in freezer with a charge of 14 pounds
C) domestic refrigerator with a charge of 3 pounds
D) both B and C Right Ans - A passive recovery device can be used for a
________.
D) both B and C
A passive system-dependent recovery process ________.
A) uses a pump to recover refrigerant
B) uses a non-pressurized container
C) can only be performed on a system with an operating compressor
D) can only be performed on a system with an inoperable compressor
Right Ans - A passive system-dependent recovery process ________.
B) uses a non-pressurized container
Solderless piercing valves should never remain permanently installed because
they ________.
A) violate EPA regulations
B) violate SNAP regulations
C) tend to leak over time
, D) trap lubricant and cause compressor failure Right Ans - Solderless
piercing valves should never remain permanently installed because they
________.
C) tend to leak over time
Which maintenance practice should be performed on a regular basis?
A) Change the vacuum pump oil.
B) Check the recovery equipment for leaks.
C) Check the manifold hose set for leaks.
D) All of the above Right Ans - Which maintenance practice should be
performed on a regular basis?
D) All of the above
A ________ recovery device can be used for Type I small appliance applications
or Type II applications if the total charge is below 15 pounds.
A) system-dependent
B) small-system
C) electronic-dependent
D) electro-mechanical Right Ans - A ________ recovery device can be used for
Type I small appliance applications or Type II applications if the total charge is
below 15 pounds.
A) system-dependent
Anytime pressurized nitrogen is put into a system, the nitrogen gas ________.
A) must be recovered
B) may be vented to the ambient air
C) must be returned to the cylinder
Which of the following is required by the EPA when attaching a gauge set?
A) A red colored high-pressure hose and a blue colored low-pressure hose
B) Self-sealing valves on the ends of the gauge set hoses to minimize any
release of refrigerant
C) Manual hand valves on the ends of the gauge set hoses to minimize any
release of refrigerant
D) either B or C Right Ans - Which of the following is required by the EPA
when attaching a gauge set?
D) either B or C
The maximum allowable factory charge for a Type I appliance is ________.
A) 1 pound
B) 3 pounds
C) 5 pounds
D) 7 pounds Right Ans - The maximum allowable factory charge for a Type
I appliance is ________.
C) 5 pounds
For a system with an operating compressor and a restricted capillary tube,
what is the minimum number of access valves needed and where would you
place them?
A) Only one access valve on the low side of the system
B) Only one access valve on the high side of the system
C) Two valves, one on the high side and one on the low side of the compressor
D) Three valves, one on the high side and one on the low side of the
compressor and the third at the condenser outlet Right Ans - For a system
,with an operating compressor and a restricted capillary tube, what is the
minimum number of access valves needed and where would you place them?
B) Only one access valve on the high side of the system
A passive recovery device can be used for a ________.
A) reciprocating liquid chiller with a charge of 100 pounds
B) small commercial walk-in freezer with a charge of 14 pounds
C) domestic refrigerator with a charge of 3 pounds
D) both B and C Right Ans - A passive recovery device can be used for a
________.
D) both B and C
A passive system-dependent recovery process ________.
A) uses a pump to recover refrigerant
B) uses a non-pressurized container
C) can only be performed on a system with an operating compressor
D) can only be performed on a system with an inoperable compressor
Right Ans - A passive system-dependent recovery process ________.
B) uses a non-pressurized container
Solderless piercing valves should never remain permanently installed because
they ________.
A) violate EPA regulations
B) violate SNAP regulations
C) tend to leak over time
, D) trap lubricant and cause compressor failure Right Ans - Solderless
piercing valves should never remain permanently installed because they
________.
C) tend to leak over time
Which maintenance practice should be performed on a regular basis?
A) Change the vacuum pump oil.
B) Check the recovery equipment for leaks.
C) Check the manifold hose set for leaks.
D) All of the above Right Ans - Which maintenance practice should be
performed on a regular basis?
D) All of the above
A ________ recovery device can be used for Type I small appliance applications
or Type II applications if the total charge is below 15 pounds.
A) system-dependent
B) small-system
C) electronic-dependent
D) electro-mechanical Right Ans - A ________ recovery device can be used for
Type I small appliance applications or Type II applications if the total charge is
below 15 pounds.
A) system-dependent
Anytime pressurized nitrogen is put into a system, the nitrogen gas ________.
A) must be recovered
B) may be vented to the ambient air
C) must be returned to the cylinder
