Hvac exam 2024 - Study guides, Class notes & Summaries

HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.

HVAC EPA Type I Written Exam 2024. If after installing a fitting for the purpose of recovering the appliances refrigerant, you find that the system pressure is 0 psig; - CORRECT ANSWER Refrigerant recovery is not required. System-dependent recovery methods may only be used on appliances containing; - CORRECT ANSWER 15 pounds of refrigerant or less. When filling a charging cylinder with a regulated refrigerant; - CORRECT ANSWER The refrigerant vapor that is vented off the top of the cy...

HVAC Excellence - ELECTRICITY Exam 2024 Study Guide with Correct Answers | Latest 2024/2025

HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.

BOMA- HVAC EXAM 2024/2025 QUESTIONS AND ANSWERS

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...

Heat which causes a change in temperature of a substance is called - ANSWERsensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - ANSWERlatent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - ANSWERsuperheat A scroll compressor moves refrigerant by means of; - ANSWERinvolute spirals The movement of heat by way of fluid or is called; air - ANSWERconvection The...

HVAC Excellence - ELECTRICITY Exam 2024 Guide with complete solution Current flow is: - Correct Answers The flow of electrons in the circuit. Impedance is: - Correct Answers Opposition to alternating current flow. Like charges; - Correct Answers repel each other. Any material that will readily release electrons is called; - Correct Answers A conductor The symbol for current is; - Correct Answers I Which of the following materials would be best suited for use as a semi-conductor? ...

Heat which causes a change in temperature of a substance is called - ANSWERsensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - ANSWERlatent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - ANSWERsuperheat A scroll compressor moves refrigerant by means of;

HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: Differential pressure gauge (also called a manometer) is used to... Answer: Measure duct static pressure Question: A line voltage fuse is used to protect from... Answer: Excessive voltage Question: Forced air residential/ light commercial gas furnaces provide heat by... Answer: Circulating air across the heat exchanger Question: No mechanical fasten...