Answer the following statement(s) true (T) or false (F)
High voltage surges are harmless and cannot damage electronic components connected to the power line.
ANSWER: False
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The output of the diode trio is connected to the alternator positive output voltage terminal.
Answer the following statement true (T) or false (F)
Which of the following is true of welding machine settings?
A. The welding machine range is the same from machine to machine. B. The setting will be the same for a given thickness of metal from machine to machine. C. The setting will be the same for a given polarity from machine to machine. D. The setting will differ for various sizes and types of tungsten from machine to machine.
Based on the textbook, how should you charge an R12 walk-in refrigerator with TEV when retrofitting to any alternate HCFC refrigerant?
a. Recover the R12, weight it, then replace with HCFC at 80% of the original amount. b. Charge until the head pressure is correct for the replacement refrigerant. c. Charge until the head pressure is correct for R12 refrigerant. d. Charge until the head pressure is 80% of that of R12 refrigerant.
What use is THHN wire suitable for?
A) Dry or damp locations B) Wet or oily locations C) Dry locations only D) Underground burial