Which type of ground-fault protection is generally used for three-wire, single-phase, and for three-phase installations?
A. GFP
B. GFCI
C. fuse
D. circuit breaker
Answer: A
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This is the easiest print for most people to understand and represents the electrical circuit as a three-dimensional print.
a. pictorial diagram b. schematic diagram c. one-line diagram d. wiring diagram
The City of San Antonio is considering various options for providing water in its 50-year plan, including desalting. One brackish aquifer is expected to yield desalted water that will generate revenue of $4.1 million per year for the first 4 years, after which less production will decrease revenue by 10% per year each year. If the aquifer will be totally depleted in 20 years, what is the present worth of the desalting option revenue at an interest rate of 6% per year?
What will be an ideal response?
Pump octane is rated by ________
A) Research octane only B) Motor octane only C) Both A and B D) Neither A nor B
Which of the following could be considered ABS outputs?
A. wheel speed sensors B. broadcasts over the PLC C. dash warning light D. all of the above