Hvac ac - Study guides, Class notes & Summaries

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...

Vivint practice quiz questions and answers 100% correct True or False: The FireFighter may be installed next to a stand-alone battery-powered smoke detector. False True or False: When performing a full system test, you may bypass any open doors or windows. False When programming an SKEY1, you must Always...? Enable emergency key True or False: When running power to the TAKE-345, polarity does not apply. False When programming the emergency key for an SKEY1, which zone/sensor types are recom...

A/C Study guide HVAC TCAT Questions with Complete Solutions

The inspector is not required to determine ____ ___ of any system or component. - Answer- -Years of age -Life expectancy -Make model Horizontal waste pipe should slope ____ inch per foot - Answer- 1/4" per foot if < 3 inch pipe. 1/8" per foot if > or = to 3 inch pipe Drip screed - Answer- Also called weep screed. Used at the base/bottom of stucco walls to release moisture. Pressure Vacuum Breaker (PVB) - Answer- Used for Backflow Prevention. Lawn Irrigation systems: install...

Electric Heat ESCO - HVAC Excellence Exam Questions and Answers 100% Pass Before working on an electric furnace the tech should - Correct Answer ️️ -Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - Correct Answer ️️ -detects current leaks to groound the conductor in an electric heat element is usually made of - Correct Answer ️️ - Nichrome An example of resistive load is - Correct Answer ️️ -crankcase heater an examp...

ASE HVAC exam practice questions and answers 100% pass What would be the most likely result of a missing AC compressor clutch diode? - Correct Answer ️️ -Damage to the ECM Tech A says that the service fittings for R-134a are the same as the service fittings for R-12. Tech B says the low-side service fitting is a 16mm quick-connect and high-side is 13mm quick-connect. Who is right? - Correct Answer ️️ -Neither An inoperative cable-controlled heater control valve is being diagnosed....

BOMA-HVAC Questions And Answers With Complete Solutions Rated A+

HVAC Final Exam Electrical For Air Conditioning All Answers Correct 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 heating with a gas boiler d. When using a two transformer system ️A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select...

All NATE specialties are offered at two levels. They are: - Installation and Service Codes are different than industry standards because codes are - Required by Law Customers often judge the ability of an HVACR technician by - His Apperance, Neatness of vehicle, cleanliness of work equipment (All of the above) Every HVACR technician must become certified under the EPA Section 608 regulations. This certification is to ensure the technician understands and complies with the regulations regard...