HVAC CONTRACTOR EXAM PRACTICE QUESTIONS AND ANSWERS (100% PASS)
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Course
Contractors License
Institution
Contractors License
HVAC CONTRACTOR EXAM PRACTICE
QUESTIONS AND ANSWERS (100% PASS)
An instrument that measures potential differences between 2 points in an electrical
circuit is called?
A. potentiometer
B. thermistor
C. ohmeter
D. voltmeter - Answer️️ -voltmeter
This device uses a thermal sensing bulb at ...
c. to allow outside air to be used for cooling in mild weather
d. to raise indoor relative humidity - Answer✔️✔️-to allow outside air to be used for
cooling in mild weather
what is the minimum gauge required for a 12" galvanized steel connector used to
connect a lows heat appliance?
a. .019
b. .029
c. .034
d. .2 - Answer✔️✔️-.029
after cutting pipes they must be reamed for what purpose?
a. to clean pipe threads
b. to smooth the end of the pipe
c. to remove burrs and chips from the inside
4
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