NATE Exam: Core Essentials 121 Questions

NATE Exam: Core Essentials | 121 Questions

with 100% Correct Answers d (very important) Correct Answer: The ability to utilize all types of communication skills is ____ to the HVACR technician.

• not as important as "hands-on" technical skills
• somewhat important
• unimportant
• very important

d (all of the above: clear, complete, concise) Correct Answer: 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 the job.

• clear
• complete
• concise
• all of the above

d (Refrigerant) Correct Answer: When explaining to a customer that you have adjusted the system charge, which of the following terms is most appropriate?

• Freon
• Gas
• Juice
• Refrigerant

a (can help you diagnose the problem) Correct Answer: Listening carefully to what a customer is telling you ____.

• can help you diagnose the problem
• is a waste of time
• is not necessary
• often will only confuse you

b (listen to the customer first, then ask questions) Correct Answer: When you arrive at a service call and meet the customer, you should ____.

• ask questions first, then listen to what the customer has to say
• listen to the customer first, then ask questions
• avoid discussion with the customer
• remind the customer that you are the professional and get on with your work 1 / 3

b (1,600 ft3) Correct Answer: What is the volume of a room that measures 10 ft by 20 ft with an 8-ft ceiling?

• 800 ft3
• 1,600 ft3
• 2,400 ft3
• 3,200 ft3

b (1,200 CFM) Correct Answer: What is the CFM requirements for an 1,800-ft2 house with 8-ft ceilings, if five air changes per hour are needed?

• 400 CFM
• 1,200 CFM
• 1,600 CFM
• 2,400 CFM

c (1,600 CFM) Correct Answer: What is the CFM requirement for an 2,400-ft2 house with 8-ft ceilings, if five air changes per hour are needed?

• 400 CFM
• 1,200 CFM
• 1,600 CFM
• 2,400 CFM

a (79 in2) Correct Answer: What is the cross-sectional area of a 10-in round metal duct?

• 79 in2
• 200 in2
• 314 in2
• 418 in2

Note: Area of a circle = π x radius^2

d (1,800 ft/min) Correct Answer: How fast does air with a velocity pressure of 0.20 in. w.g.move through a round duct?

• 400 ft/min
• 1,200 ft/min
• 1,600 ft/min
• 1,800 ft/min

Note: Velocity = 4005 x (the square root of velocity pressure)

d (1,800 ft/min) Correct Answer: How fast does air with a velocity pressure of 0.20 in w.g.move through a square duct? 2 / 3

• 400 ft/min
• 1,200 ft/min
• 1,600 ft/min
• 1,800 ft/min

Note: Velocity = 4005 x (the square root of velocity pressure)

d (all of the above: honest, loyal, patient) Correct Answer: Customers depend on you to be ____.

• honest
• loyal
• patient
• all of the above

c (demonstrate system operation and describe basic maintenance procedures to the customer)

Correct Answer: Before leaving a service call, you should be sure to ____.

• ask the customer for referrals
• collect payment in cash if possible
• demonstrate system operation and describe basic maintenance procedures to the customer
• try to sell the customer an equipment upgrade

d (All of the above: it can cut hard or soft drawn copper; it leaves no metal shavings to contaminate the system; it produces a clean, square cut.) Correct Answer: What is the advantage of using a tube cutter to cut copper pipe?

• It can cut hard or soft drawn copper
• It leaves no metal shavings to contaminate the system
• It produces a clean, square cut
• All of the above

a (soft drawn copper) Correct Answer: Spring-type benders may be used on ____.

• soft drawn copper
• hard drawn copper
• all copper pipe
• steel pipe

a (make a mechanical joint in tubing) Correct Answer: A flaring tool is used to ____.

• make a mechanical joint in tubing
• measure pipe diameters
• remove burrs from piping
• solder tubing without the use of coupling

d (solder tubing without the use of couplings) Correct Answer: A swaging tool is used to ____.

• / 3