When a J1939 controller reports a low internal battery condition, which numeric fault code is
broadcast?
A. 11
B. 15
C. 21
D. 31
Answer: B
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Technician A says that with? self-adjusting clutch? systems, the release bearing constantly rotates. Technician B says the ball bearing portion of the release bearing should be lubricated with high temperature grease during routine maintenance. Which technician is? correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
What are three methods for counteracting high water alkalinity?
What will be an ideal response?
With which signal pattern is the RMS reading the same as the average reading?
A) Nonsymmetric B) Square wave C) Sine wave D) None of these
A condensing boiler burner is typically vented by way of _____
a. a masonry chimney b. Type B vent pipe c. Schedule 40 PVC pipe d. a lined masonry chimney