____ means that when an overload or fault condition occurs, only the part of the electrical system that is in jeopardy is disconnected.
A. Dependent coordination
B. Ground-fault protection
C. Selective coordination
D. System protection
Answer: C
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The SEWA (Southwestern Electricity and Water Authority) authorized construction projects totaling $1.07 million to improve desalinization plant efficiency and salinity-reduction technology for reject chemicals. Three bids from potential vendors were received in the amounts of $1.06, $1.053, and $1.045 million. Assume the savings will be realized immediately for each bid, were it accepted. Use an expected life of 10 years and i = 6% per year to do the following for the savings anticipated from the lower-than authorized bids:
(a) Determine the equivalent present worth of the savings. (b) Determine the equivalent annual worth of the savings. (c) Develop a column chart for the equivalent annual worth for the savings for each bid.
When using portable power tools, it is important that the work be well ____________________
Fill in the blank(s) with the appropriate word(s).
A(n) ____ is a licensed professional who applies mathematical and scientific principles to the design and construction of structures.
A. engineer B. associate C. interior designer D. CAD technician
When a filter circuit offers little opposition to a frequency, the frequency is said to be _____.
A. passed B. rejected