Nate light commercial Study guides, Class notes & Summaries

The formula for finding the microfarad value of a capacitor is (Amperage X 2650 divided by the applied voltage). Using this formula with amperage measured at 1.5 amps and applied voltage at 115 volts. The microfarad value of the capacitor would be approximately: a. 35 mfd b. 20 mfd c. 12.5 mfd d. 3.5 mfd - a. 35 mfd A closed loop, water sourced heat pump system drawn: a. water from a pond, runs it through a heat exchanger and returns the water back to the pond b. a fluid through sealed ...

NATE Light Commercial Exam Questions with Correct Answers Graded A+ Which of the following measurements would be needed to determine oil furnace combustion efficiency? a. net stack temperature and CO2 concentration b. net stack temperature and CO concentration c. stack temperature and indoor temperature d. stack temperature and fuel pressure -Ans a. net stack temperature and CO2 concentration When combustion is being tested on an oil furnace, high level of smoke and can be corrected ...

NATE Light Commercial Refrigeration What is the MOST important aspect about installing a rooftop package unit? - The roof will support the weight What could be at fault of an air cooled system that operates 50°F over ambient temperature? - An overcharge, air in the system, or air re-circulating over the condenser Where should the sensing bulb on a TXV be located? - As close to the evaporator as possible on a horizontal line When a transformers secondary windings are wired in paralle...

Which of the following measurements would be needed to determine oil furnace combustion efficiency? a. net stack temperature and CO2 concentration b. net stack temperature and CO concentration c. stack temperature and indoor temperature d. stack temperature and fuel pressure a. net stack temperature and CO2 concentration

NATE Light Commercial Questions Answered Correctly –| Latest Version 2024/2025

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What is the MOST important aspect about installing a rooftop package unit?The roof will support the weight What could be at fault of an air cooled system that operates 50°F over ambient temperature?An overcharge, air in the system, or air re-circulating over the condenser Where should the sensing bulb on a TXV be located?As close to the evaporator as possible on a horizontal line When a transformers secondary windings are wired in parallel, it is important to wire them ____________In...

NATE Light Commercial Questions And Answers

Practice Light Commercial ( d ) ( nate certification ) questions and answers 2023/2024 correct answers

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...