The chemical components of HCFC refrigerants are:
A) Helium, carbon, frankincense, and Clorox. B) Hydrogen, chlorine, Freon, and chromium.
C) Hydrogen, chlorine, fluorine, and carbon. D) Helium, carbon, Freon, and chlorine.
C
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The seven-layer communication protocol that allows efficient operation of BMS controllers is called _____.
a. LonTalk b. BACnet c. Modbus d. LANworks
Which terminal is responsible for the compressor?
A) W terminal B) G terminal C) Y terminal D) O/B terminal
It has been determined that booth filters should be changed after 36 hours of spray time. It takes an average of 47.25 minutes to spray a vehicle. How many vehicles can be sprayed within each 36-hour period?
What will be an ideal response?
Which of the following sensors cannot produce or generate a voltage signal?
A. Zirconium dioxide oxygen sensor B. Permanent magnet sensor C. Piezoelectric sensor D. Potentiometer