NATE Core Exam Practice Questions & Answers
Ch. 1-1 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 ✔️Ans - d) very important
Ch. 1-2 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 ✔️Ans - d) all of the above
Ch. 1-3 When explaining to a customer that you have topped off the system
charge, which of the following terms is most appropriate?
a) freon
b) gas
c) juice
d) refrigerant ✔️Ans - d) refrigerant
Ch. 1-4 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 ✔️Ans - a) can help you diagnose the
problem
Ch. 1-5 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 ✔️Ans - b) listen to the customer first, then ask questions
, Ch. 1-6 What is the volume of a room that measures 10 ft by 20 ft with an 8 ft
ceiling?
a) 800 ft^3
b) 1,600 ft^3
c) 2,400 ft^3
d) 3,200 ft^3 ✔️Ans - b) 1,600 ft^3
Ch. 1-7 What is the cfm requirement for an 1,800 ft^2 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) 1,600 cfm ✔️Ans - b) 1,200 cfm
Ch. 1-8 What is the cfm requirement for a 2,400 ft^2 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 ✔️Ans - c) 1,600 cfm
Ch. 1-9 What is the cross sectional area of a 10 in. round metal duct?
a) 79 in.^2
b) 200 in.^2
c) 314 in.^2
d) 418 in.^2 ✔️Ans - a) 79 in.^2
Ch. 1-10 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 ✔️Ans - d) 1,800 ft/min
Ch. 1-11 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
Ch. 1-1 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 ✔️Ans - d) very important
Ch. 1-2 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 ✔️Ans - d) all of the above
Ch. 1-3 When explaining to a customer that you have topped off the system
charge, which of the following terms is most appropriate?
a) freon
b) gas
c) juice
d) refrigerant ✔️Ans - d) refrigerant
Ch. 1-4 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 ✔️Ans - a) can help you diagnose the
problem
Ch. 1-5 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 ✔️Ans - b) listen to the customer first, then ask questions
, Ch. 1-6 What is the volume of a room that measures 10 ft by 20 ft with an 8 ft
ceiling?
a) 800 ft^3
b) 1,600 ft^3
c) 2,400 ft^3
d) 3,200 ft^3 ✔️Ans - b) 1,600 ft^3
Ch. 1-7 What is the cfm requirement for an 1,800 ft^2 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) 1,600 cfm ✔️Ans - b) 1,200 cfm
Ch. 1-8 What is the cfm requirement for a 2,400 ft^2 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 ✔️Ans - c) 1,600 cfm
Ch. 1-9 What is the cross sectional area of a 10 in. round metal duct?
a) 79 in.^2
b) 200 in.^2
c) 314 in.^2
d) 418 in.^2 ✔️Ans - a) 79 in.^2
Ch. 1-10 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 ✔️Ans - d) 1,800 ft/min
Ch. 1-11 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
