ESCO HVACR 2023 Air Conditioning Practice Test Questions and Answers 100% Solved 4 Exam (elaborations) CSN AC 110 Esco Exam Practice Questions and Answers 100% Solved 5 Exam (elaborations) EPA 609 Technician Certification Questions and Answers 100% Solved 6 Exam (elaborations) Electric Heat ESCO...
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Air Conditioning Certification Exam Part 1 Questions and Answers 100% Solved A technician has found an air conditioning system with a leak in the liquid line. After the line is repaired, the system is evacuated and properly retired. When the system is started, the compressor is noisy and runni...
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Add to cartAir Conditioning Certification Exam Part 1 Questions and Answers 100% Solved A technician has found an air conditioning system with a leak in the liquid line. After the line is repaired, the system is evacuated and properly retired. When the system is started, the compressor is noisy and runni...
ESCO EPA TYPE II PRACTICE TEST QUESTIONS AND ANSWERS 100% SOLVED What must the equipment owners/operators include in recovered refrigerant records for equipment with refrigerant charges that range from 5 to 50 pounds? ️️The quantity of refrigerant (by type) added or recovered from disposed...
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Add to cartESCO EPA TYPE II PRACTICE TEST QUESTIONS AND ANSWERS 100% SOLVED What must the equipment owners/operators include in recovered refrigerant records for equipment with refrigerant charges that range from 5 to 50 pounds? ️️The quantity of refrigerant (by type) added or recovered from disposed...
Electric Heat ESCO - HVAC Excellence Exam with Complete Solutions Before working on an electric furnace the tech should ️️Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker ️️detects current leaks to groound the conductor in an elect...
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Add to cartElectric Heat ESCO - HVAC Excellence Exam with Complete Solutions Before working on an electric furnace the tech should ️️Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker ️️detects current leaks to groound the conductor in an elect...
EPA 609 Technician Certification Questions and Answers 100% Solved 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant ️️FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 ️️CFC-11 3. Ozone layer absorbs and scatters...
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Add to cartEPA 609 Technician Certification Questions and Answers 100% Solved 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant ️️FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 ️️CFC-11 3. Ozone layer absorbs and scatters...
CSN AC 110 Esco Exam Practice Questions and Answers 100% Solved 1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat ️️B. sensible heat 2. Heat added to a substance without a raise in temperature; (example: li...
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Add to cartCSN AC 110 Esco Exam Practice Questions and Answers 100% Solved 1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat ️️B. sensible heat 2. Heat added to a substance without a raise in temperature; (example: li...
EPA 608 Certification, EPA 608 Questions and Answers 100% Solved November 14, 1994 ️️What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. ️️1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs N...
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Add to cartEPA 608 Certification, EPA 608 Questions and Answers 100% Solved November 14, 1994 ️️What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. ️️1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs N...
ESCO HVACR 2023 Air Conditioning Practice Test Questions and Answers 100% Solved Refrigerant R-134-A vapor enters the condenser at 125 psig, 100 degrees F. It leaves as a liquid from the condenser sub-cooled 20 F, and the pressure will be approximately: ️️124 psig Bubbles in a sight glass ...
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Add to cartESCO HVACR 2023 Air Conditioning Practice Test Questions and Answers 100% Solved Refrigerant R-134-A vapor enters the condenser at 125 psig, 100 degrees F. It leaves as a liquid from the condenser sub-cooled 20 F, and the pressure will be approximately: ️️124 psig Bubbles in a sight glass ...
Esco Electrical Test Questions and Answers 100% Solved What is current flow? ️️D.The flow of electrons in a circuit What is impedance? ️️A.Opposition to alternating current Like charges will ️️B.Repel each other Any material that will readily release electrons is called: ️️B.A ...
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Add to cartEsco Electrical Test Questions and Answers 100% Solved What is current flow? ️️D.The flow of electrons in a circuit What is impedance? ️️A.Opposition to alternating current Like charges will ️️B.Repel each other Any material that will readily release electrons is called: ️️B.A ...
ESCO A/C Questions and Answers 100% Solved heat which causes a change in temperature of a substance is called ️️sensible heat Heat added to a substance without a rise in temperature ️️latent heat of vaporization Heat added to the refrigerant in a vapor state after the evaporation proces...
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Add to cartESCO A/C Questions and Answers 100% Solved heat which causes a change in temperature of a substance is called ️️sensible heat Heat added to a substance without a rise in temperature ️️latent heat of vaporization Heat added to the refrigerant in a vapor state after the evaporation proces...
ESCO Air Conditioning Exam with Complete Solutions Heat which causes a change in temperature of a substance is called ️️Sensible heat Heat added to a substance without a rise in temperature ️️Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is cal...
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Add to cartESCO Air Conditioning Exam with Complete Solutions Heat which causes a change in temperature of a substance is called ️️Sensible heat Heat added to a substance without a rise in temperature ️️Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is cal...
Esco Heating 208 Questions and Answers 100% Solved 1. A gas furnace is to be installed in a garage. The burners and ignition sources must be located ______ above the floor. A: 6 inches B: 12 inches C: 18 inches D: 24 inches ️️C: 18 inches 2. A good description of how hi-metai fan switc...
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Add to cartEsco Heating 208 Questions and Answers 100% Solved 1. A gas furnace is to be installed in a garage. The burners and ignition sources must be located ______ above the floor. A: 6 inches B: 12 inches C: 18 inches D: 24 inches ️️C: 18 inches 2. A good description of how hi-metai fan switc...
EPA SECTION 608 CORE (2019 revision) Questions and Answers Latest Version 100% Solved What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containin...
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Add to cartEPA SECTION 608 CORE (2019 revision) Questions and Answers Latest Version 100% Solved What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containin...
EPA Type 1 Questions and Answers 100% Solved Recovery device for use with small appliances containing CFCs, HCFCs, and HFCs must meet which of the following requirements? ️️Recovering 90% of the refrigerant when the compressor is operating or acheiving a 4 inch vacuum under the conditions...
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Add to cartEPA Type 1 Questions and Answers 100% Solved Recovery device for use with small appliances containing CFCs, HCFCs, and HFCs must meet which of the following requirements? ️️Recovering 90% of the refrigerant when the compressor is operating or acheiving a 4 inch vacuum under the conditions...
Esco Electrical Certification Text Questions and Answers 100% Solved D.The flow of electrons in a circuit ️️What is current flow? A.Opposition to alternating current ️️What is impedance? B.Repel each other ️️Like charges will B.A conductor ️️Any material that will readily relea...
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Add to cartEsco Electrical Certification Text Questions and Answers 100% Solved D.The flow of electrons in a circuit ️️What is current flow? A.Opposition to alternating current ️️What is impedance? B.Repel each other ️️Like charges will B.A conductor ️️Any material that will readily relea...
EPA 608--ESCO --Core.....Online Practice Questions and Answers 100% Solved How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? ️️$44,539 Recovery any remaining refrigerant and then render the cylinder useless, t...
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Add to cartEPA 608--ESCO --Core.....Online Practice Questions and Answers 100% Solved How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? ️️$44,539 Recovery any remaining refrigerant and then render the cylinder useless, t...
ESCO HEAT PUMP EXAM WITH COMPLETE SOLUTIONS 1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); ️️C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" ...
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Add to cartESCO HEAT PUMP EXAM WITH COMPLETE SOLUTIONS 1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); ️️C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" ...
EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% SOLVED What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? ️️Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? ️️10...
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Add to cartEPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% SOLVED What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? ️️Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? ️️10...
HVAC 124 ESCO Test 3 Questions and Answers 100% Solved Liquid slugging is: Liquid refrigerant in the compressor clearance space The clearance space in a reciprocating compressor: Has no effect on compressor capacity Which type of air conditioning compressors is the most energy efficient? Scr...
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Add to cartHVAC 124 ESCO Test 3 Questions and Answers 100% Solved Liquid slugging is: Liquid refrigerant in the compressor clearance space The clearance space in a reciprocating compressor: Has no effect on compressor capacity Which type of air conditioning compressors is the most energy efficient? Scr...
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HVAC Unit 31 Gas Heat Questions and Answers 100% Solved Name the four main components of a gas fired heating system. ️️Manifold and controls Burners Heat exchanger Venting system Name the four types of furnace flow patterns. ️️Upflow Low-boy Downflow Horizontal Which type of furna...
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Add to cartHVAC Unit 31 Gas Heat Questions and Answers 100% Solved Name the four main components of a gas fired heating system. ️️Manifold and controls Burners Heat exchanger Venting system Name the four types of furnace flow patterns. ️️Upflow Low-boy Downflow Horizontal Which type of furna...
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ESCO Light Commercial Refrigeration EXAM with Complete Solutions In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: ️️ The difference between the temperature of the refrigerant boiling in the evaporator and...
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Add to cartESCO Light Commercial Refrigeration EXAM with Complete Solutions In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: ️️ The difference between the temperature of the refrigerant boiling in the evaporator and...
ESCO Study set- gas furnaces Test Questions and Answers 100% Solved Burning one cubic foot of natural gas will produce approximately _____ BTU's ️️900- 1,100 BTU The National Fuel Gas Code classifies a vent system for a condensing furnace as; ️️Category IV what type of draft is use...
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Add to cartESCO Study set- gas furnaces Test Questions and Answers 100% Solved Burning one cubic foot of natural gas will produce approximately _____ BTU's ️️900- 1,100 BTU The National Fuel Gas Code classifies a vent system for a condensing furnace as; ️️Category IV what type of draft is use...
NATE: Air Conditioning Troubleshooting Test Questions and Answers 100% Solved What are the symptoms of a TXV air conditioning system if it has lost its charge: ️️The superheat will increase and the low-side pressure will decrease A customer who owns a split air conditioning system complai...
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Add to cartNATE: Air Conditioning Troubleshooting Test Questions and Answers 100% Solved What are the symptoms of a TXV air conditioning system if it has lost its charge: ️️The superheat will increase and the low-side pressure will decrease A customer who owns a split air conditioning system complai...
HVAC Air Condition Esco 2024/2025 Questions and Answers 100% Solved Heat which causes a change in temperature of a substance is called ️️Sensible Heat Heat added to a substance without a rise in temperature is called ️️Latent Heat Heat added to refrigerant in a vapor state after the eva...
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Add to cartHVAC Air Condition Esco 2024/2025 Questions and Answers 100% Solved Heat which causes a change in temperature of a substance is called ️️Sensible Heat Heat added to a substance without a rise in temperature is called ️️Latent Heat Heat added to refrigerant in a vapor state after the eva...
HVACR gas heating ESCO Questions and Answers 100% Solved using an ohmmeter, there is 120 VAC between high speed and ground wires, this indicates ️️open if temperature rise is too high... ️️increase fan speed how many of the 3 OSHA conditions defining confined spaces must be met ️️...
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Add to cartHVACR gas heating ESCO Questions and Answers 100% Solved using an ohmmeter, there is 120 VAC between high speed and ground wires, this indicates ️️open if temperature rise is too high... ️️increase fan speed how many of the 3 OSHA conditions defining confined spaces must be met ️️...
HVAC: EPA 608 Certification Study Guide Questions and Answers 100% Solved Are there drop-in replacements for R-12 systems? Why or why not? ️️No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils w...
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Add to cartHVAC: EPA 608 Certification Study Guide Questions and Answers 100% Solved Are there drop-in replacements for R-12 systems? Why or why not? ️️No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils w...
Gas Heat ESCO exam with Complete Solutions 100% Verified A gas furnace to be installed in a garage. The national standards requires that the burners and ignition must be located ____ above the floor: ️️18 inches A good description of how a bi-metal fan switch operates the blower motor on a...
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Add to cartGas Heat ESCO exam with Complete Solutions 100% Verified A gas furnace to be installed in a garage. The national standards requires that the burners and ignition must be located ____ above the floor: ️️18 inches A good description of how a bi-metal fan switch operates the blower motor on a...
NATE Heat Pump Exam with Complete Solutions Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode ️️B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the sum...
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Add to cartNATE Heat Pump Exam with Complete Solutions Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode ️️B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the sum...
HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Solved When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heati...
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Add to cartHVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Solved When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heati...
R-410a Refrigerant Study Guide Questions and Answers 100% Solved R-410A is a Refrigerant, also known as....? ️️SUVA - 410A....... AZ-20......Puron The cylinder color code for R-410A is...? ️️Rose HCFC-22 is scheduled for total phase out, by the year? ️️2020 Suction and Discharge pr...
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Add to cartR-410a Refrigerant Study Guide Questions and Answers 100% Solved R-410A is a Refrigerant, also known as....? ️️SUVA - 410A....... AZ-20......Puron The cylinder color code for R-410A is...? ️️Rose HCFC-22 is scheduled for total phase out, by the year? ️️2020 Suction and Discharge pr...
R410a Test Questions and Answers 100% Solved Recovery cylinders used with R410 must have a DOT rating of... ️️DOT 4BA 400 DOT 4BW 400 When charging an R410a system that uses a thermostatic expansion valve, proper charge can be determined by measuring... ️️Subcooling When charging an ...
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Add to cartR410a Test Questions and Answers 100% Solved Recovery cylinders used with R410 must have a DOT rating of... ️️DOT 4BA 400 DOT 4BW 400 When charging an R410a system that uses a thermostatic expansion valve, proper charge can be determined by measuring... ️️Subcooling When charging an ...
R410a Test Questions and Answers 100% Solved Recovery cylinders used with R410 must have a DOT rating of... ️️DOT 4BA 400 DOT 4BW 400 When charging an R410a system that uses a thermostatic expansion valve, proper charge can be determined by measuring... ️️Subcooling When charging an ...
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Add to cartR410a Test Questions and Answers 100% Solved Recovery cylinders used with R410 must have a DOT rating of... ️️DOT 4BA 400 DOT 4BW 400 When charging an R410a system that uses a thermostatic expansion valve, proper charge can be determined by measuring... ️️Subcooling When charging an ...
HVAC EXCELLENCE TEST QUESTIONS AND ANSWERS 100% SOLVED Heat which causes a change in temperature of a substance is called ️️sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? ️️latent heat Heat added to ...
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Add to cartHVAC EXCELLENCE TEST QUESTIONS AND ANSWERS 100% SOLVED Heat which causes a change in temperature of a substance is called ️️sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? ️️latent heat Heat added to ...
HVAC - Residential Air Test Questions and Answers 100% Solved What three environmental conditions have the most effect on comfort? ️️Temperature, humidity, and air movement. Why does the air's relative humidity affect comfort? ️️Relative humidity affects how rapidly perspiration can...
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Add to cartHVAC - Residential Air Test Questions and Answers 100% Solved What three environmental conditions have the most effect on comfort? ️️Temperature, humidity, and air movement. Why does the air's relative humidity affect comfort? ️️Relative humidity affects how rapidly perspiration can...
ESCO TEST STUDY GUIDE QUESTIONS AND ANSWERS 100% SOLVED The symbol or letter for impedance is ️️z The NEC and NFPA have designated ____ as ground ️️green Watts formula ️️P = I x E (W = VA) Ohmmeters measure resistance and ___ be used in a live circuit, therefore ____ ️️cannot, ...
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Add to cartESCO TEST STUDY GUIDE QUESTIONS AND ANSWERS 100% SOLVED The symbol or letter for impedance is ️️z The NEC and NFPA have designated ____ as ground ️️green Watts formula ️️P = I x E (W = VA) Ohmmeters measure resistance and ___ be used in a live circuit, therefore ____ ️️cannot, ...
Refrigeration 2 ESCO Test Questions and Answers 100% Solved liquid slugging is what ️️liquid refrigerant in the compressor clearance space a customer complains that their air conditioning system is running constantly but not cooling enough. the suction line is very cold and the compressor ...
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Add to cartRefrigeration 2 ESCO Test Questions and Answers 100% Solved liquid slugging is what ️️liquid refrigerant in the compressor clearance space a customer complains that their air conditioning system is running constantly but not cooling enough. the suction line is very cold and the compressor ...
Refrigerant 410A Certification Questions and Answers 100% Solved -Suva 410a -AZ-20 -Puron ️️R-410a is also known as? 0.3 ️️The temperature glide for R-410a is less than _____ degrees Fahrenheit over air conditioning and refrigeration operating ranges. -Can be irritating to the skin ...
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Add to cartRefrigerant 410A Certification Questions and Answers 100% Solved -Suva 410a -AZ-20 -Puron ️️R-410a is also known as? 0.3 ️️The temperature glide for R-410a is less than _____ degrees Fahrenheit over air conditioning and refrigeration operating ranges. -Can be irritating to the skin ...
Refrigeration ESCO Exam Questions and Answers 100% Solved Heat which is added to a vapor after the change of state occurs is called ️️superheat A refrigerant gives up heat when; ️️it condenses it is desirable for refrigerant in the suction line to be slightly superheated in order to... ...
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Add to cartRefrigeration ESCO Exam Questions and Answers 100% Solved Heat which is added to a vapor after the change of state occurs is called ️️superheat A refrigerant gives up heat when; ️️it condenses it is desirable for refrigerant in the suction line to be slightly superheated in order to... ...
Refrigeration Excellence AARP 01 Questions and Answers 100% Solved 1. In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: A. Operate at high-efficiency B. Ensure that Frost is not accumulate C. Subcool the com...
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Add to cartRefrigeration Excellence AARP 01 Questions and Answers 100% Solved 1. In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: A. Operate at high-efficiency B. Ensure that Frost is not accumulate C. Subcool the com...
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