Page 1 of 120
NATE CORE EXAM STUDY GUIDE WITH COMPLETE
450 QUESTIONS AND WELL ELABORATED ANSWERS
JUST RELEASED
NATE CORE EXAM PRACTICE EXAM A
QUESTION: 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 -
ANSWER✔✔b) listen to the customer first, then ask questions
QUESTION: 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 - ANSWER✔✔b) 1,600 ft^3
, Page 2 of 120
QUESTION: 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 - ANSWER✔✔b) 1,200 cfm
QUESTION: 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 - ANSWER✔✔c) 1,600 cfm
QUESTION: 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 - ANSWER✔✔a) 79 in.^2
, Page 3 of 120
QUESTION: 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 - ANSWER✔✔d) 1,800 ft/min
QUESTION: 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
c) 1,600 ft/min
d) 1,800 ft/min - ANSWER✔✔d) 1,800 ft/min
QUESTION: Ch. 1-12 Customers depend on you to be ______.
a) honest
b) loyal
c) patient
d) all of the above - ANSWER✔✔d) all of the above
, Page 4 of 120
QUESTION: 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 - ANSWER✔✔d) very important
QUESTION: 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 - ANSWER✔✔d) all of the above
QUESTION: 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
NATE CORE EXAM STUDY GUIDE WITH COMPLETE
450 QUESTIONS AND WELL ELABORATED ANSWERS
JUST RELEASED
NATE CORE EXAM PRACTICE EXAM A
QUESTION: 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 -
ANSWER✔✔b) listen to the customer first, then ask questions
QUESTION: 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 - ANSWER✔✔b) 1,600 ft^3
, Page 2 of 120
QUESTION: 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 - ANSWER✔✔b) 1,200 cfm
QUESTION: 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 - ANSWER✔✔c) 1,600 cfm
QUESTION: 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 - ANSWER✔✔a) 79 in.^2
, Page 3 of 120
QUESTION: 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 - ANSWER✔✔d) 1,800 ft/min
QUESTION: 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
c) 1,600 ft/min
d) 1,800 ft/min - ANSWER✔✔d) 1,800 ft/min
QUESTION: Ch. 1-12 Customers depend on you to be ______.
a) honest
b) loyal
c) patient
d) all of the above - ANSWER✔✔d) all of the above
, Page 4 of 120
QUESTION: 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 - ANSWER✔✔d) very important
QUESTION: 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 - ANSWER✔✔d) all of the above
QUESTION: 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
