ESCO HVACR BUNDLED EXAMS WITH COMPLETE SOLUTIONS

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...

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...

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...

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...

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...

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 ️️...

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...

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...

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...

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...

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...

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 ...

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 ...

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 ...

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...

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, ...

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 ...

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 ...

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... ...

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...