NATE EXAM: CORE ESSENTIALS WITH COMPLETE
SOLUTIONS GUARANTEED PASS
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 - ANSWER ->d (very important)
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 - ANSWER ->d (all of the above: clear,
complete, concise)
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 - ANSWER ->d (Refrigerant)
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 - ANSWER ->a (can help
you diagnose the problem)
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 - ANSWER ->b (listen to the
customer first, then ask questions)
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 - ANSWER ->b (1,600 ft3)
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 - ANSWER ->b (1,200 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 - ANSWER ->c (1,600 CFM)
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 - ANSWER ->a (79
in2)
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) - ANSWER ->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
SOLUTIONS GUARANTEED PASS
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 - ANSWER ->d (very important)
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 - ANSWER ->d (all of the above: clear,
complete, concise)
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 - ANSWER ->d (Refrigerant)
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 - ANSWER ->a (can help
you diagnose the problem)
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 - ANSWER ->b (listen to the
customer first, then ask questions)
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 - ANSWER ->b (1,600 ft3)
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 - ANSWER ->b (1,200 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 - ANSWER ->c (1,600 CFM)
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 - ANSWER ->a (79
in2)
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) - ANSWER ->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
