What is the most common nonconductive, synthetic oil that is used to not only lubricate but also insulate the various electrical parts of the A/C compressor from each other?
A. PVE oil
B. PAG oil
C. WD40 oil
D. EPS oil
Answer: A
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When working with fiberglass insulation, gloves should be worn to _____.
a. keep your hands warm b. protect your skin from irritation c. better grip the material d. keep your hands dry
Three-phase transformers are available in:
A) Alpha and omega configurations. B) Delta and wye configurations. C) Alpha and wye configurations. D) Delta and omega configurations.
When S-cam brakes are properly adjusted, which of the following conditions will result in the most service brake torque?
A. highest pressure in hold-off chambers B. maximum service brake pressure C. highest vehicle road speed D. shortest distance from the brake treadle valve
To decrease carbide precipitation in stainless steel welds, the carbon content of the electrodes should remain
below _____. a. 0.02 percent b. 0.03 percent c. 3 percent d. 2 percent