Nate core exam Study guides, Class notes & Summaries

What makes a contract legal? - correct answer Any verbal or written agreement. Why should hacksaws and power saws not be used when cutting tubing or refrigerant lines? - correct answer The small shavings created by the teeth of the saw can enter the tubing and do damage to the components of the system. Why should tube cutters be used? - correct answer They produce a square, clean cut and leave no shavings to contaminate the system. What can be used to cut capillary tubing? - correct ans...

What method of heat transfer does not require fluid or solids? - correct answer Radiation Capillary tubing should only be cut to length using a - correct answer Triangular or knife edge file Before beginning any electrical check out procedure what step must always be taken after the equipment disconnect or circuit breaker has been turned off - correct answer Check for voltage When making a flare the height of the tubing above the flare block is critical because the flare with too much s...

NATE Exam: Core Test Refresher Questions and Answers (Graded A) Calculate the air volume based upon these conditions: 90,000 BTUH output Return air temperature: 70F Supply air temperature: 110F a. 1,158 CFM b. 1,500 CFM c. 1,800 CFM d. 2,083 CFM - ANSWER-d (2,083 CFM)

NATE CORE-Exam 2023 Questions and Answers When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - ANSWER-Refrigerant

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Nate Core Exam 2024 Questions and Answers 1kwh of electric power is equivalent to btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 - ANSWER-A

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NATE Core Exam Practice Questions and answers Ch. 1-1 The ability to utilize all types of communication skills is to the HVACR technician. a) not as important as "hands-on" technical skills b) somewhat important c) unimportant d) very important - correct answer d) very important

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