Hvac r 410a - Study guides, Class notes & Summaries

LEED AP O&M Practice Test questions and answers 2022/2023 with complete solution A project team is assessing existing luminaires for Light Pollution Reduction and found some fixtures emit light at a vertical angle more than 90 degrees from straight down. What statement is true regarding the project's ability to earn the credit? The team must retrofit or replace the non-compliant fixtures to earn the credit An office building has six individual workstations, two private offices, and a confe...

What is typically used on small appliances as a service aperture or other device for adding or removing refrigerant? a. A straight piece of tubing that is entered using a piercing access tube. b. A line located 15 inches below the compressor. c. A valve installed at the factory which has a ¼ inch diameter and machine threads. d. A service aperture is not present because small appliances are exempt from this requirement. - answera. A straight piece of tubing that is entered using a piercing ...

FCC HVAC Study Guide Questions And Answers what is the name of EPA's program that identifies refrigerants with lower overall risks to human health and the environment? - ANSWER- the Significant New Alternatives Policy(SNAP) Program. what is a lawful use of HCFC-22? - ANSWER- Charging any new system designed for R-407c. how does cooling occur in a direct expansion vapor compression refrigeration system? - ANSWER- when the liquid refrigerant is vaporized. which process applies to cle...

LEED AP O&M Practice Test questions and answers 2022/2023 with complete solution A project team is assessing existing luminaires for Light Pollution Reduction and found some fixtures emit light at a vertical angle more than 90 degrees from straight down. What statement is true regarding the project's ability to earn the credit? The team must retrofit or replace the non-compliant fixtures to earn the credit An office building has six individual workstations, two private offices, and a confe...

559 Journeyman Mechanical Exam HVAC Complete Questions and Answers Which Type of air-conditoning system is most likely to leak refrigerant into a structure? Direct, Indirect, Evaporative or Split? - CORRECT ANSWER-Direct : 2015 IMC 1103.3.2 When mechanical equipment is located on a flat roof that is more than 30 inches above grade, how far from the roofs edge must the equipment be located before a guard rail is not needed? less than 6', 9', 4' or more than 10'? - CORRECT ANSWER-Mo...

CAMT Exam With Correct Solutions. The thermostat located inside of a clothes dryer ensures that which other component turns on and off as needed? Which type of voltage is used by HVAC controls and thermostats? A maintenance technician smells a strong odor of gas while standing next to a water heater that is undergoing some repairs. The room is dimly lit, but the technician believes the gas is leaking from the water heater. Before leaving the area, which step would be MOST appropriate for the ...

FCC HVAC Study Guide Questions And Answers what is the name of EPA's program that identifies refrigerants with lower overall risks to human health and the environment? - ANSWER- the Significant New Alternatives Policy(SNAP) Program. what is a lawful use of HCFC-22? - ANSWER- Charging any new system designed for R-407c. how does cooling occur in a direct expansion vapor compression refrigeration system? - ANSWER- when the liquid refrigerant is vaporized. which process applies to cle...

HVAC EXCELLENCE Exam Questions With Verified Answers 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 ...

FCC HVAC Study Guide Questions And Answers what is the name of EPA's program that identifies refrigerants with lower overall risks to human health and the environment? - ANSWER- the Significant New Alternatives Policy(SNAP) Program. what is a lawful use of HCFC-22? - ANSWER- Charging any new system designed for R-407c. how does cooling occur in a direct expansion vapor compression refrigeration system? - ANSWER- when the liquid refrigerant is vaporized. which process applies to clea...

The greatest effect refrigeration has is on the ____________ - Answer- Stratosphere What is the nickname of the stratosphere? - Answer- Earth's security blanket The stratosphere is __________ ______ above sea level - Answer- 10-30 miles The stratosphere is made of _____ - Answer- Ozone What is the function of the stratosphere? - Answer- To protect us from UV radiation and maintain stable earth temperatures Effects of Ozone Depletion? - Answer- Crop loss; skin cancer; deforestatio...