EPA 608 Certification, EPA 608 2026/2027
COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || GUARANTEED
PASS
1. The charging valve on the evaporator. - ANSWER ✅ When the refrigerant
is put back into a Type III chiller, following recovery and system repair,
where is it added?
2. Hydrostatic (tube) test - ANSWER ✅ What method is used to find
suspected water tube leaks in chillers?
3. 130-Degrees F - ANSWER ✅ What temperature should be attained when
removing oil from a low pressure system to ensure a lower level of
refrigerants in the oil?
4. 15 PSIG - ANSWER ✅ The typical design burst pressure for a rupture disc
is what?
5. Tube Leakage - ANSWER ✅ Excessive moisture collection in the purge
unit can indicate what?
6. 500 microns - ANSWER ✅ Vacuum pumps need to be capable of pulling
what level of vacuum?
,7. 35% - ANSWER ✅ All refrigeration systems containing more than 50 lbs.
of refrigerant must be repaired when the annual leak rate exceeds___?
8. Controlled hot water or heater blankets. - ANSWER ✅ The most efficient
method of leak checking a charged low-pressure system is to use?
9. At the shaft seal. - ANSWER ✅ Systems with open drive compressors are
prone to leak where?
10.A refrigerant monitor that will sound and alarm and automatically start a
ventilation system in equipment rooms before the refrigerant concentration
reaches the TLV-TWA. - ANSWER ✅ What does ASHRAE standard 15
require?
11.Threshold Limit Value, Time Weighted Average - ANSWER ✅ TLV-TWA
12.Oxygen Deprivation Sensor - ANSWER ✅ A-1 Group Refrigerants only
require what?
13."Refrigerant Specific" Mechanical Room Sensor. - ANSWER ✅ All "B"
rated refrigerants require what?
14.They are heat removal devices used to transfer process waste heat to the
atmosphere. - ANSWER ✅ What are Cooling Towers?
15.10 psig - ANSWER ✅ What is the maximum test pressure to use for
pressurizing Type III centrifugal systems with nitrogen?
,16.36F - ANSWER ✅ Enough vapor has entered the system and you may
begin charging liquid refrigerant when the refrigerant saturation temperature
increases to?
17.Small appliances- 5lbs or less - ANSWER ✅ Type 1
18.Residental Units/ Light Commercial - ANSWER ✅ Type 2
19.Industrial - ANSWER ✅ Type 3
20.All types - ANSWER ✅ Universal
21.Nov 14th, 1994 - ANSWER ✅ Section 608 of the federal clean air act
requires all persons who maintain, service, repair or dispose of appliances
that contain regulated refrigerants, be certified in proper refrigerant handling
techniques as of
22.Low Loss Fitting - ANSWER ✅ What is used to cause a minimal amount of
refrigerant to be released?
23.R-11, R-12, R-113, R-114,R-115 - ANSWER ✅ CFC Refrigerants
24.R-22, R-123, R-124, R-1426 - ANSWER ✅ HCFC Refrigerants
25.R-125, R-134A, R-23, R-32, R-125, R-143a, R-152A - ANSWER ✅ HFC
Refrigerants
, 26.Blue Hose - ANSWER ✅ The compound gauge of the manifold that
measures low pressure (psig) and vacuum (inches Hg.) is what color?
27.Red Hose - ANSWER ✅ The high pressure gauge of the manifold that
measures the high side (discharge) pressure is what color?
28.Yellow Hose - ANSWER ✅ The center port of the manifold that can be
connected to a recovery device, evacuation vacuum pump or charging device
is what color?
29.De- Minimus - ANSWER ✅ The Latin word for the least amount of
Refrigerant you can release into the atmosphere?
30.2020 - ANSWER ✅ HFC's will be Phased out by?
31.December 31st, 1995 - ANSWER ✅ CFC's were phased out of production
by?
32.Global Warming Potential - ANSWER ✅ GWP
33.Air Conditioning/ Refrigeration Institute (Govern standards covering
subjects of air conditioning, refrigeration, and heating industry) - ANSWER
✅ ARI
34.November 15th, 1993 - ANSWER ✅ After what date must refrigerants be
certified and labeled by EPA Approved Equipment Testing Organizations to
meet EPA Standards?
COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || GUARANTEED
PASS
1. The charging valve on the evaporator. - ANSWER ✅ When the refrigerant
is put back into a Type III chiller, following recovery and system repair,
where is it added?
2. Hydrostatic (tube) test - ANSWER ✅ What method is used to find
suspected water tube leaks in chillers?
3. 130-Degrees F - ANSWER ✅ What temperature should be attained when
removing oil from a low pressure system to ensure a lower level of
refrigerants in the oil?
4. 15 PSIG - ANSWER ✅ The typical design burst pressure for a rupture disc
is what?
5. Tube Leakage - ANSWER ✅ Excessive moisture collection in the purge
unit can indicate what?
6. 500 microns - ANSWER ✅ Vacuum pumps need to be capable of pulling
what level of vacuum?
,7. 35% - ANSWER ✅ All refrigeration systems containing more than 50 lbs.
of refrigerant must be repaired when the annual leak rate exceeds___?
8. Controlled hot water or heater blankets. - ANSWER ✅ The most efficient
method of leak checking a charged low-pressure system is to use?
9. At the shaft seal. - ANSWER ✅ Systems with open drive compressors are
prone to leak where?
10.A refrigerant monitor that will sound and alarm and automatically start a
ventilation system in equipment rooms before the refrigerant concentration
reaches the TLV-TWA. - ANSWER ✅ What does ASHRAE standard 15
require?
11.Threshold Limit Value, Time Weighted Average - ANSWER ✅ TLV-TWA
12.Oxygen Deprivation Sensor - ANSWER ✅ A-1 Group Refrigerants only
require what?
13."Refrigerant Specific" Mechanical Room Sensor. - ANSWER ✅ All "B"
rated refrigerants require what?
14.They are heat removal devices used to transfer process waste heat to the
atmosphere. - ANSWER ✅ What are Cooling Towers?
15.10 psig - ANSWER ✅ What is the maximum test pressure to use for
pressurizing Type III centrifugal systems with nitrogen?
,16.36F - ANSWER ✅ Enough vapor has entered the system and you may
begin charging liquid refrigerant when the refrigerant saturation temperature
increases to?
17.Small appliances- 5lbs or less - ANSWER ✅ Type 1
18.Residental Units/ Light Commercial - ANSWER ✅ Type 2
19.Industrial - ANSWER ✅ Type 3
20.All types - ANSWER ✅ Universal
21.Nov 14th, 1994 - ANSWER ✅ Section 608 of the federal clean air act
requires all persons who maintain, service, repair or dispose of appliances
that contain regulated refrigerants, be certified in proper refrigerant handling
techniques as of
22.Low Loss Fitting - ANSWER ✅ What is used to cause a minimal amount of
refrigerant to be released?
23.R-11, R-12, R-113, R-114,R-115 - ANSWER ✅ CFC Refrigerants
24.R-22, R-123, R-124, R-1426 - ANSWER ✅ HCFC Refrigerants
25.R-125, R-134A, R-23, R-32, R-125, R-143a, R-152A - ANSWER ✅ HFC
Refrigerants
, 26.Blue Hose - ANSWER ✅ The compound gauge of the manifold that
measures low pressure (psig) and vacuum (inches Hg.) is what color?
27.Red Hose - ANSWER ✅ The high pressure gauge of the manifold that
measures the high side (discharge) pressure is what color?
28.Yellow Hose - ANSWER ✅ The center port of the manifold that can be
connected to a recovery device, evacuation vacuum pump or charging device
is what color?
29.De- Minimus - ANSWER ✅ The Latin word for the least amount of
Refrigerant you can release into the atmosphere?
30.2020 - ANSWER ✅ HFC's will be Phased out by?
31.December 31st, 1995 - ANSWER ✅ CFC's were phased out of production
by?
32.Global Warming Potential - ANSWER ✅ GWP
33.Air Conditioning/ Refrigeration Institute (Govern standards covering
subjects of air conditioning, refrigeration, and heating industry) - ANSWER
✅ ARI
34.November 15th, 1993 - ANSWER ✅ After what date must refrigerants be
certified and labeled by EPA Approved Equipment Testing Organizations to
meet EPA Standards?
