NATE Final Exam #1 | 50 Questions with 100% Correct Answers

NATE Final Exam #1 50 Questions And 100%


Correct Answers (2024/2025)


1.Generally, vibration eliminators in piping should


be installed: A: At a 45 degree angle


B: At a 90 degree angle



C: Perpendicular to the compressor crankshaft



D: Parallel to the compressor crankshaft: D: Parallel to the


compressor crank- shaft


2.If you purchased ten filter-driers for $100.00, what was the


price of each filter-drier?



A:

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,$100.00


B:


$10.00


C: $1.00


D: $1.10: B: $10.00


3.Which of the following jobs requires safety glasses?



A: Driving a


vehicle B:


Extending a


ladder C: Brazing


D: Pulling thermostat wire: C: Brazing


4.Which of the following instruments would typically be used


to measure a vacuum?
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,A: Micron


gauge B:


Thermostat


C:


Anemometer


D: Differential pressure gauge: A: Micron gauge




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, 5.ASHRAE Standard 34 deals with:



A: Carbon monoxide safety


levels B: Refrigerant quality


C: Equipment room ventilation and alarms



D: Refrigerant toxicity and flammability: D: Refrigerant toxicity and


flammability



ANSI/ASHRAE 34 published in 2001 and entitled "Designation and Safety


Classifi- cation of Refrigerants".


•Class A signifies refrigerants for which toxicity has not been identified


at concen- trations less than or equal to 400 ppm;


•Class B signifies refrigerants for which there is evidence of toxicity at
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