A refrigeration compressor's oil pressure failure switch uses a _________ element as part of its operating mechanism.
a. Fluid expansion
b. Bimetallic
c. Thermostatic
d. Humidity activated
e. Volumetric
Answer: B
A refrigeration compressor's oil pressure failure switch uses a _________ element as part of its operating mechanism.
a. Fluid expansion
b. Bimetallic
c. Thermostatic
d. Humidity activated
e. Volumetric
Answer: B