Nate light commercial Study guides, Class notes & Summaries

NATE Light Commercial Refrigeration Questions With Verified Answers

Nate ac Questions with complete solution 2023 The primary purpose of using flux when soldering copper or brass parts is to: - correct answer prevent oxidation. Light commercial outdoor condensing units that are installed in geographic areas where snowfalls can be heavy must be mounted: - correct answer with wind barriers on all sides. Proper ductwork connections and sealing is critical to good system performance. Conditions are: Return side air leak of 15 % in a ventilated attic 2...

Nate ac Questions with complete solution 2024The primary purpose of using flux when soldering copper or brass parts is to: - correct answer prevent oxidation. Light commercial outdoor condensing units that are installed in geographic areas where snowfalls can be heavy must be mounted: - correct answer with wind barriers on all sides. Proper ductwork connections and sealing is critical to good system performance. Conditions are: Return side air leak of 15 % in a ventilated attic 2.5 t...

Cooling - Answer- What type of application is a close-on-rise thermostat usually used for? A systems switch and a fan - Answer- What two manual switches are found on most low voltage thermostats? The operating mode: Off, cooling, heating. The fan switch for on or auto. - Answer- What systems functions does a low voltage thermostat normally control? Before replacing the part - Answer- When should you approach the customer about the potential cost of a required part? Is never a good id...

NATE Light Commercial Refrigeration 2023 /Questions With Verified Answers Graded (A+)

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...

Nate Ac Complete Questions And Answers With Verified Solutions The primary purpose of using flux when soldering copper or brass parts is to: prevent oxidation. Light commercial outdoor condensing units that are installed in geographic areas where snowfalls can be heavy must be mounted: with wind barriers on all sides. Proper ductwork connections and sealing is critical to good system performance. Conditions are: Return side air leak of 15 % in a ventilated attic 2.5 ton system rated at 1...

NATE Final Exam #2, question and answers with rated solutions A condensing unit should be mounted on a slab that is level to: A: Allow any accumulated water to evenly run out of the cabinet B: Increase airflow through the fin area C: Prevent the unit from tipping over D: Make certain any top discharge air blows straight up A A simple time-activated switch is an example of a control that does not use: A: Feedback B: Electronics C: Calibration D: Manual adjustment ...

NATE Gas Heat Practice Guide 100% accurate, latest updated What precautions are required when mounting any gas furnace on a wood platform in an attic? None The gas control valve may be damaged if exposed to an inlet pressure above what? 14 inch W.C. How many elbows and joints should a vent connector have? As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the wa...