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NATE Exam: Core Essentials Exam 2024!!!!
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NATE Exam: Core Essentials Exam2024!!!!
d (very important) - -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) - -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.
a. clear
b. complete
c. concise
d. all of the above
-d (Refrigerant) - -When explaining to a customer that you have adjusted
the system charge, which of the following terms is most appropriate?
a. Freon
b. Gas
c. Juice
d. Refrigerant
-a (can help you diagnose the problem) - -Listening carefully to what a
customer is telling you ____.
a. can help you diagnose the problem
b. is a waste of time
c. is not necessary
d. often will only confuse you
-b (listen to the customer first, then ask questions) - -When you arrive at a
service call and meet the customer, you should ____.
a. ask questions first, then listen to what the customer has to say
b. listen to the customer first, then ask questions
c. avoid discussion with the customer
d. remind the customer that you are the professional and get on with your
work
,-b (1,600 ft3) - -What is the volume of a room that measures 10 ft by 20 ft
with an 8-ft ceiling?
a. 800 ft3
b. 1,600 ft3
c. 2,400 ft3
d. 3,200 ft3
-b (1,200 CFM) - -What is the CFM requirements for an 1,800-ft2 house with
8-ft ceilings, if five air changes per hour are needed?
a. 400 CFM
b. 1,200 CFM
c. 1,600 CFM
d. 2,400 CFM
-c (1,600 CFM) - -What is the CFM requirement for an 2,400-ft2 house with
8-ft ceilings, if five air changes per hour are needed?
a. 400 CFM
b. 1,200 CFM
c. 1,600 CFM
d. 2,400 CFM
-a (79 in2) - -What is the cross-sectional area of a 10-in round metal duct?
a. 79 in2
b. 200 in2
c. 314 in2
d. 418 in2
Note: Area of a circle = π x radius^2
-d (1,800 ft/min) - -How fast does air with a velocity pressure of 0.20 in. w.g.
move through a round duct?
a. 400 ft/min
b. 1,200 ft/min
c. 1,600 ft/min
d. 1,800 ft/min
Note: Velocity = 4005 x (the square root of velocity pressure)
-d (1,800 ft/min) - -How fast does air with a velocity pressure of 0.20 in w.g.
move through a square duct?
, a. 400 ft/min
b. 1,200 ft/min
c. 1,600 ft/min
d. 1,800 ft/min
Note: Velocity = 4005 x (the square root of velocity pressure)
-d (all of the above: honest, loyal, patient) - -Customers depend on you to
be ____.
a. honest
b. loyal
c. patient
d. all of the above
-c (demonstrate system operation and describe basic maintenance
procedures to the customer) - -Before leaving a service call, you should be
sure to ____.
a. ask the customer for referrals
b. collect payment in cash if possible
c. demonstrate system operation and describe basic maintenance
procedures to the customer
d. 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.) - -
What is the advantage of using a tube cutter to cut copper pipe?
a. It can cut hard or soft drawn copper
b. It leaves no metal shavings to contaminate the system
c. It produces a clean, square cut
d. All of the above
-a (soft drawn copper) - -Spring-type benders may be used on ____.
a. soft drawn copper
b. hard drawn copper
c. all copper pipe
d. steel pipe
-a (make a mechanical joint in tubing) - -A flaring tool is used to ____.
a. make a mechanical joint in tubing
b. measure pipe diameters
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