NATE EXAM CORE ESSENTIALS FINAL EXAM STUDY
GUIDE EXAM| 2026/2027 UPDATED|A+GRADE
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
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.
clear
complete
concise
all of the above
all of the above
When explaining to a customer that you have topped off the system charge,
which of the following terms is most appropriate?
,Freon
Gas
Juice
Refrigerant
Refrigerant
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
can help you diagnose the problem
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 customer first, then ask questions
avoid discussion with the customer
remind the customer that you are the professional and get on with your work
listen to customer first, then ask questions
What is the volume of a room that measures 10ft by 20ft with an 8ft ceiling?
800ft³
,1,600ft³
2,400ft³
3,200ft³
1,600ft³
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
1,200 CFM
What is the cfm requirements for an 2,400ft² house with 8ft ceilings, if five air
changes per hour are needed?
400 cfm
1,200 cfm
1,600 cfm
2,400 cfm
1,600 cfm
What is the cross-sectional area of a 10-in. round metal duct?
, 79 in²
200 in²
314 in²
418 in²
79 in²
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
1,800 ft/min
How fast does air with a velocity pressure of 0.20 in. w.g. move through a
square duct?
400 ft/min
1,200 ft/min
1,600 ft/min
1,800 ft/min
1,800 ft/min
Customers depend on you to be ____.
GUIDE EXAM| 2026/2027 UPDATED|A+GRADE
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
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.
clear
complete
concise
all of the above
all of the above
When explaining to a customer that you have topped off the system charge,
which of the following terms is most appropriate?
,Freon
Gas
Juice
Refrigerant
Refrigerant
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
can help you diagnose the problem
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 customer first, then ask questions
avoid discussion with the customer
remind the customer that you are the professional and get on with your work
listen to customer first, then ask questions
What is the volume of a room that measures 10ft by 20ft with an 8ft ceiling?
800ft³
,1,600ft³
2,400ft³
3,200ft³
1,600ft³
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
1,200 CFM
What is the cfm requirements for an 2,400ft² house with 8ft ceilings, if five air
changes per hour are needed?
400 cfm
1,200 cfm
1,600 cfm
2,400 cfm
1,600 cfm
What is the cross-sectional area of a 10-in. round metal duct?
, 79 in²
200 in²
314 in²
418 in²
79 in²
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
1,800 ft/min
How fast does air with a velocity pressure of 0.20 in. w.g. move through a
square duct?
400 ft/min
1,200 ft/min
1,600 ft/min
1,800 ft/min
1,800 ft/min
Customers depend on you to be ____.
