Hvac exam 2024 - Study guides, Class notes & Summaries

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

HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.

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;

AFM 341: Final Exam Questions & Answers 2023/2024 IT Operations Who is responsible for IT operations? What control activities are performed in IT operations? What is a technology-enabled integrity control for Input? What is a technology-enabled integrity control for Data Entry? What is a technology-enabled integrity control for Processing? What is a technology-enabled integrity control for Output? Differential backups Incremental backup What are three options for storage of backed up d...

AHIT HVAC Exam 2024

CSST Exam Study Prep (Review in progress... again. 12/3/18) Questions meant to assist in studying for the California OSHA Division of Occupational Safety Health certified site surveillance technician (CSST) Exam 2024 Why was asbestos added to construction materials ? -Answer-It was a great insulator and binder. It added strength and durability against weathering and use. It was non-corrosive, did not conduct electricity, and made spray-on products easier to apply. What are the two classes ...

HVAC CONTRACTOR EXAM 2024 WITH 100% ACCURATE SOLUTIONS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - correct answer voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - correct answer thermostat...