Hvac accurate - Study guides, Class notes & Summaries

HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS Two locations where a cold air return should be installed - correct answer open area of a wall and low to the ground Which of the following is the law of thermodynamics? - correct answer heat moves toward a place with lower intensity Sensible heat describes - correct answer how hot something feels Latent heat is measured in - correct answer british thermal units What is the amount of heat energy required to evaporate 1 pound of water? ...

HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS What is an HVAC System? - correct answer all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? - correct answer Fans Pumps Compressor Evaporator What is a PTAC? - correct answer Packaged Terminal Air Conditioner What is a PTHP? - correct answer Packaged Terminal Heat Pump List the heat transfer equipment (3) - correct answer Boiler Chiller Coil Wha...

HVAC EXAM 1 2024 WITH 100% ACCURATE SOLUTIONS Matter exists in what three forms? - correct answer solid, liquid, gas What is temperature measured by? Quantity or intensity - correct answer Intensity Define British thermal unit (Btu) - correct answer Measure of heat energy - amount of energy needed to raise 1 lb of water 1 degree F How much heat is required to raise the temp of 100 lb or water from 70F to 120F - correct answer Q=1000lb*(1btu / change of temp) so 1000*(1/ 50) = 50,0...

HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION In order to troubleshoot a load controlled by a control string, what should the technician check first? Answer: Proper voltage applied across the load. QUESTION The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for ...

HVAC FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS What is an HVAC System? - correct answer all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? - correct answer Fans Pumps Compressor Evaporator What is a PTAC? - correct answer Packaged Terminal Air Conditioner What is a PTHP? - correct answer Packaged Terminal Heat Pump List the heat transfer equipment (3) - correct answer Boiler Chiller Coil W...

HVAC Pretest BOMA Exam Questions With Accurate Answers. Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - answera. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - answera. circulation The primary function of an expansion d...

HVAC-R FINAL EXAM QUESTIONS HVAC-R FINAL EXAM QUESTIONS|VERIFIED WITH ACCURATE ANSWERS Volt amps - Accurate AnswerTransformers are normally rated in? True - Accurate AnswerAn insulated jumper may be used to temporarily jump a component in an electrical circuit(true or false)? Divided by 10 - Accurate AnswerWhen using a 10 wrap multiplier the reading on the meter must be? Ladder diagram - Accurate AnswerAn electrical line wiring diagram is often called? Pictorial diagram - Accu...

HVAC EPA CORE EXAM HVAC EPA CORE EXAM WITH GUARANTEED ACCURATE ANSWERS An ozone molecule consists of - Accurate Answer3 oxygen atoms Depletion of Ozone in the stratosphere causes: - Accurate Answer1. Crop loss 2. Increase in eye disease 3. Skin cancer 4. Reduced marine life 5. Deforestation 6. Increased ground level ozone When released into the atmosphere deplete the Ozone layer - Accurate AnswerCFC and HFC What happens when a chlorine atom meets with an Ozone molecule? - A...

HVAC Final Accurate Questions & Answers(Gradenvironment - ANSWER natural factors that impact a bldg including the sun, wind, temp, etc Technology - ANSWER constructed factors including the bldg itself, HVAC and mechanical systems impact on building - ANSWER thermal behaviors/physics, comfort conservation equation - ANSWER defines the balance of flows and the change in an amount stored of some quantity of interest within some fixed volume conservation of mass - ANSWER mass is neither ...

HVAC EXAM 2024 WITH 100% ACCURATE ANSWERS What are the 4 modes for heat transfer and example? - correct answer 1) radiation: radiator 2) conduction: heated floor, pot on stove 3) convection: forced air system 4) evaporation: AC running at house and come in from the beach sweating (idk what that means ) What are different types of heating systems? - correct answer (radiant) pros: easy to zone, min distribution loss, lack of convected heat loss cons: no duct work (need for AC syst...