Hvac ac - Study guides, Class notes & Summaries

HVAC electrical 2024 Exam Questions with Answers List what part (voltage source, switch, or load) is checked with the following meter function "VOLTAGE" - Answer-Voltage source, switch and load. AC electricity flows? - Answer-Both.....positive to negative and negative to positive. When electricity is present, which of the following are also present - Answer-Heat and magnetism What voltage is provided by the electric company to a modern residential home? - Answer-220VAC What are...

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 - ANSWER A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select one: True False - ANSWER True With the fan switch in the on posit...

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BPI Study Questions with All Correct Answers What does condenser do - Answer releases heat outside on AC unit If draft diverter, where test for CO - Answer in the vent upstream from the draft diverter What means about the same as the air barriar - Answer pressure boundary Mold can thrive on HVAC system where - Answer at diffuser grills Which potentially releases more moisture into home ppl or crawl - Answer crawl ACH natural for supertight insulated home - Answer less th...

NHIE Practice Test Questions and Answers All Correct While inspecting the furnace you detect very high levels of carbon monoxide at the supply air registers. You should: A. Advise that everyone run out of the house for safety B. Immediately shut off the main gas valve to disable the unit C. Open windows, shut down systems, and advise immediate evaluation by an HVAC contractor D. Explain that the unit will need servicing in the future to prolong its life - Answer- C. Open windows, shut do...

Vivint Smart Home Pro Final Exam (2023/2024) (Complete Solutions) What is the input voltage range of the Doorbell Cam? 12-24v What is the output voltage of the transformer used to power the SkyControl panel? 16.5 VAC True or False: When programming a sensor into the sky panel you can type in the serial number or "learn" it in by triggering the device true When programming a DW21, which loop number is used? 1 2 3 2 Which of the following materials can you use to group multiple ground term...

HVAC Yr 2 Exam 1. According to the National Electrical Code, UF cable is permitted to be used in which of the following locations?: in wet, dry or underground locations NEC Article 340.10 & 340.12 2. The rating of a disconnect switch on fixed HVAC equipment must be at least _________ percent of the nameplate rated-load current or branch circuit selection current — whichever is greater.: 115

HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Pass 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 - Correct Answer ️️ -A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming an...

HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Pass 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 - Correct Answer ️️ -A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming an...

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...