- Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about ? On this page you'll find 1 study documents about .
1 results
Exam (elaborations)
Hvac Contractor Exam Complete Solutions
HVAC CONTRACTOR EXAM COMPLETE SOLUTIONS 
An instrument that measures potential differences between 2 points in an electrical circuit is called? 
A. potentiometer 
B. thermistor 
C. ohmeter 
D. voltmeter ️voltmeter 
This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and 
control superheat 
A. automatic expansion valve 
B. thermostatic expansion valve 
C. low side float 
D. schraeder valve ️thermostatic expansion valve 
when installing a re...