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Examen
NATE Light Commercial Questions And Answers
NATE Light Commercial Questions And Answers
Examen
NATE Light Commercial Questions Answered Correctly – Expert Verified | Latest Version 2024/2025
PopularThe 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 ...
Lote
HVAC NATE Heat Pump Bundled exams with correct answers 2024
HVAC NATE Heat Pump exam with correct answers 2024
NATE A/C Exam with correct answers 2024

Examen
NATE Light Commercial exam witrh correct answers 2024
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 correct answers a. net stack temperature and CO2 concentration 
 
When combustion is being tested on an oil furnace, high level of smoke and can be corrected by: 
 
a. Adjusting the barometric damper. 
b. Opening the ...
Examen
NATE Light Commercial Exam Questions With Correct Answers
NATE Light Commercial Exam Questions 
With Correct Answers 
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 - answera. net stack temperature and CO2 
concentration 
When combustion is being tested on an oil furnace, high level of smoke and can be corrected by: 
a. Ad...
Examen
NATE Light Commercial Questions Answered Correctly –| Latest Version 2024/2025
NATE Light Commercial Questions Answered Correctly –| 
Latest Version 2024/2025
Examen
NATE Light Commercial KeY Compulsory Questions And CORRECT Answers
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
Examen
NATE Light Commercial UPDATED Test Questions And CORRECT Answers
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...
Examen
NATE Light Commercial Exam Questions with Correct Answers Graded A+
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 ...