NATE Exam Bundle (Full pack solution Graded A) 2023

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - ANSWER-d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum se...

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) When measuring CFM using temperature rise method, the furnace blower motor speed ...

What precautions are required when mounting any gas furnace on a wood platform in an attic? - ANSWER-None The gas control valve may be damaged if exposed to an inlet pressure above: - ANSWER-14 in. W.C. How many elbows and joints should a vent connector have: - ANSWER-As few as possible to red...

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER-6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - ANSWER-Prevent Oxidation The water that results from a defrost cycl...

Honest Person - ANSWER-Is free from fraud and deception, is credible, is marked with integrity, and is fair in their dealings with others Legally binding agree - ANSWER-Must always be in writing Department of Transportation - ANSWER-Responsible for the shipping and labeling of all refrigerants...

Class A - ANSWER-Ordinary Extinguisher Class B - ANSWER-Liquid Extinguisher Class C - ANSWER-Electrical Extinguisher Asphyxiation causes what? - ANSWER-Nausea, Dizziness, Heart Irregularities, and Unconciousness Ladder must be at what dimensions in relation to a house? - ANSWER-4 ft for ...

1kwh of electric power is equivalent to ___ btu per hour. A. 3142 B. 6412 C. 9412 D. 6812 - ANSWER-A Gas valves operate at ____ voltage. A. 120v B. 230v C. 24v D. 12v - ANSWER-C What will be the resistance in the circuit if the supply voltage is 30v and current flowing through the ...

The following expresses the difference between a feature and a benefit: - ANSWER--A feature is a special characteristic of a product -A benefit is the value the customer receives from using the feature. The temperature most often used by customers when discussing human comfort is: - ANSWER--A dr...

d (very important) - ANSWER-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 d (all of the above: clear, complete, concise) - ANSWER-It is imp...

Which of the following is not the product of incomplete combustion: - ANSWER-Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above - ANSWER-8 feet A diode allows current to flow in one direction: - ANSWER-True 1 Watt = _____ Btu...

When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - ANSWER-Refrigerant It is important to be _____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on th...