NATE EXAM CORE ESSENTIALS 121 CONCEPT
REVIEW GUIDE 2026 SAFETY STANDARDS AND
INDUSTRY BEST PRACTICES
◉ Ch. 1-13 Before leaving a service call, you should be sure to ______.
a) ask the customer for referrals
b) collect payment in cash if possible
c) demonstrate system operation and describe basic maintenance
procedures to the customer
d) try to sell the customer an equipment upgrade.
Answer: c) demonstrate system operation and describe basic
maintenance procedures to the customer
◉ Ch. 2-1 What is the advantage of using a tube cutter to cut copper
pipe?
a) it can cut hard or soft drawn copper
b) it leaves no metal shavings to contaminate the system
c) it produces a clean, square cut
d) all of the above.
Answer: d) all of the above
◉ Ch. 2-2 Spring-type benders may be used on ______.
, a) soft drawn copper
b) hard drawn copper
c) all copper pipe
d) steel pipe.
Answer: a) soft drawn copper
◉ Ch. 2-3 A flaring tool is used to ______.
a) make a mechanical joint in tubing
b) measure pipe diameters
c) remove burrs from piping
d) separate pipe fittings.
Answer: a) make a mechanical joint tubing
◉ Ch. 2-4 A swagging tool is used to ______.
a) cut copper tubing
b) make a mechanical joint in tubing
c) remove burrs from piping
d) solder tubing without the use of couplings.
Answer: d) solder tubing without the use of couplings
◉ Ch. 2-5 What is one of the advantages of a glass-stem
thermometer?
REVIEW GUIDE 2026 SAFETY STANDARDS AND
INDUSTRY BEST PRACTICES
◉ Ch. 1-13 Before leaving a service call, you should be sure to ______.
a) ask the customer for referrals
b) collect payment in cash if possible
c) demonstrate system operation and describe basic maintenance
procedures to the customer
d) try to sell the customer an equipment upgrade.
Answer: c) demonstrate system operation and describe basic
maintenance procedures to the customer
◉ Ch. 2-1 What is the advantage of using a tube cutter to cut copper
pipe?
a) it can cut hard or soft drawn copper
b) it leaves no metal shavings to contaminate the system
c) it produces a clean, square cut
d) all of the above.
Answer: d) all of the above
◉ Ch. 2-2 Spring-type benders may be used on ______.
, a) soft drawn copper
b) hard drawn copper
c) all copper pipe
d) steel pipe.
Answer: a) soft drawn copper
◉ Ch. 2-3 A flaring tool is used to ______.
a) make a mechanical joint in tubing
b) measure pipe diameters
c) remove burrs from piping
d) separate pipe fittings.
Answer: a) make a mechanical joint tubing
◉ Ch. 2-4 A swagging tool is used to ______.
a) cut copper tubing
b) make a mechanical joint in tubing
c) remove burrs from piping
d) solder tubing without the use of couplings.
Answer: d) solder tubing without the use of couplings
◉ Ch. 2-5 What is one of the advantages of a glass-stem
thermometer?
