Intro to hvac Study guides, Class notes & Summaries

Intro to hvac

Intro to hvac correctly answered to pass 2023Which of these heating methods is most commonly used as a heat source in cold climates? - correct answer Natural gas furnaces Which of the following is a device used to maintain indoor air quality? - correct answer Ultraviolet light The purpose of an evaporator in a refrigeration cycle is to - correct answer transfer heat from the air to the refrigerant Heat can be transferred from a refrigerant to the outdoors on a hot day because the - corr...

intro to hvac questions with correct answers 2023In a common household forced-air furnace, heat is transferred from - correct answer The heat exchangers to the air. Water is often used in heating systems as a. - correct answer Heat exchange medium Ventilation is concerned with: - correct answer The introduction of fresh air to control indoor air quality The term "refrigeration cycle" refers to - correct answer The process by which circulating refrigerant absorbs heat in one location a...

What are the 4 modes for heat transfer and example? - 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? - (radiant) pros: easy to zone, min distribution loss, lack of convected heat loss cons: no duct work (need for AC system), recovers slowly pros and cons of the different heating systems? - What is t...

Intro To Michigan Mechanic Certification Exam With Complete Solution Cooling system leak diagnosis - CORRECT ANSWER-Pressure test or dye test Purpose of a radiator - CORRECT ANSWER-The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant - CORRECT ANSWER-Engine overheating and no heat from the HVAC system Purpose of the thermostat - CORRECT ANSWER-The purpose of the thermostat is t...

Intro to hvac

Introduction To HVAC Practice Exam Questions And Answers 2023

Introduction To HVAC Practice Exam Questions With Correct Answers 2023