NATE EXAM: CORE ESSENTIALS WITH
CORRECT VERIFIED ANSWERS.
d (very important) ~IS THE CORRECT 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) ~IS THE 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.
a. clear
b. complete
c. concise
d. all of the above
d (Refrigerant) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT
ANSWER~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) ~IS THE CORRECT ANSWER~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) ~IS THE 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?
a. 400 CFM
b. 1,200 CFM
c. 1,600 CFM
d. 2,400 CFM
c (1,600 CFM) ~IS THE 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?
a. 400 CFM
b. 1,200 CFM
, c. 1,600 CFM
d. 2,400 CFM
a (79 in2) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT ANSWER~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)
CORRECT VERIFIED ANSWERS.
d (very important) ~IS THE CORRECT 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) ~IS THE 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.
a. clear
b. complete
c. concise
d. all of the above
d (Refrigerant) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT
ANSWER~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) ~IS THE CORRECT ANSWER~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) ~IS THE 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?
a. 400 CFM
b. 1,200 CFM
c. 1,600 CFM
d. 2,400 CFM
c (1,600 CFM) ~IS THE 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?
a. 400 CFM
b. 1,200 CFM
, c. 1,600 CFM
d. 2,400 CFM
a (79 in2) ~IS THE CORRECT ANSWER~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) ~IS THE CORRECT ANSWER~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)
