NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
1. SOLUTION.
The ability to utilize all types of com- d (very important)
munication skills is to the HVACR
technician.
a. not as important as "hands-on" tech-
nical skills
b. somewhat important
c. unimportant
d. very important
2. It is important to be in filling out d (all of the above: clear, complete, concise)
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
3. When explaining to a customer that d (Refrigerant)
you have adjusted the system charge,
which of the following terms is most
appropriate?
a. Freon
b. Gas
c. Juice
d. Refrigerant
4. Listening carefully to what a customer a (can help you diagnose the problem)
is telling you .
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
a.SOLUTION.
can help you diagnose the problem
b. is a waste of time
c. is not necessary
d. often will only confuse you
5. When you arrive at a service call and b (listen to the customer first, then ask questions)
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
6. What is the volume of a room that b (1,600 ft3)
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
7. What is the CFM requirements for an b (1,200 CFM)
1,800-ft2 house with 8-ft ceilings, if five
air changes per hour are needed?
a. 400 CFM
b. 1,200 CFM
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
c.SOLUTION.
1,600 CFM
d. 2,400 CFM
8. What is the CFM requirement for an c (1,600 CFM)
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
9. What is the cross-sectional area of a a (79 in2)
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
10. How fast does air with a velocity pres- d (1,800 ft/min)
sure 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)
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
11. SOLUTION.
How fast does air with a velocity pres- d (1,800 ft/min)
sure 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
Note: Velocity = 4005 x (the square root
of velocity pressure)
12. Customers depend on you to be . d (all of the above: honest, loyal, patient)
a. honest
b. loyal
c. patient
d. all of the above
13. Before leaving a service call, you c (demonstrate system operation and describe
should be sure to . basic maintenance procedures to the customer)
a. ask the customer for referrals
b. collect payment in cash if possible
c. demonstrate system operation and
describe basic maintenance proce-
dures to the customer
d. try to sell the customer an equip-
ment upgrade
14. What is the advantage of using a tube d (All of the above: it can cut hard or soft drawn
cutter to cut copper pipe? copper; it leaves no metal shavings to contami-
nate the system; it produces a clean, square cut.)
/QUESTIONS AND CORRECT ANSWERS GRADED A
1. SOLUTION.
The ability to utilize all types of com- d (very important)
munication skills is to the HVACR
technician.
a. not as important as "hands-on" tech-
nical skills
b. somewhat important
c. unimportant
d. very important
2. It is important to be in filling out d (all of the above: clear, complete, concise)
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
3. When explaining to a customer that d (Refrigerant)
you have adjusted the system charge,
which of the following terms is most
appropriate?
a. Freon
b. Gas
c. Juice
d. Refrigerant
4. Listening carefully to what a customer a (can help you diagnose the problem)
is telling you .
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
a.SOLUTION.
can help you diagnose the problem
b. is a waste of time
c. is not necessary
d. often will only confuse you
5. When you arrive at a service call and b (listen to the customer first, then ask questions)
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
6. What is the volume of a room that b (1,600 ft3)
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
7. What is the CFM requirements for an b (1,200 CFM)
1,800-ft2 house with 8-ft ceilings, if five
air changes per hour are needed?
a. 400 CFM
b. 1,200 CFM
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
c.SOLUTION.
1,600 CFM
d. 2,400 CFM
8. What is the CFM requirement for an c (1,600 CFM)
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
9. What is the cross-sectional area of a a (79 in2)
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
10. How fast does air with a velocity pres- d (1,800 ft/min)
sure 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)
, NATE Exam: Core Essentials LATEST VERSION
/QUESTIONS AND CORRECT ANSWERS GRADED A
11. SOLUTION.
How fast does air with a velocity pres- d (1,800 ft/min)
sure 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
Note: Velocity = 4005 x (the square root
of velocity pressure)
12. Customers depend on you to be . d (all of the above: honest, loyal, patient)
a. honest
b. loyal
c. patient
d. all of the above
13. Before leaving a service call, you c (demonstrate system operation and describe
should be sure to . basic maintenance procedures to the customer)
a. ask the customer for referrals
b. collect payment in cash if possible
c. demonstrate system operation and
describe basic maintenance proce-
dures to the customer
d. try to sell the customer an equip-
ment upgrade
14. What is the advantage of using a tube d (All of the above: it can cut hard or soft drawn
cutter to cut copper pipe? copper; it leaves no metal shavings to contami-
nate the system; it produces a clean, square cut.)
