What is the purpose of a GFCI?
What will be an ideal response?
A ground fault circuit interrupter (GFCI) is an electrical device that will open the circuit, preventing current flow to the receptacle when a small electrical leak to ground is detected.
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Which of the following statements about tilt-up concrete construction is not true?
a. Panels may be fabricated off site. b. Use in one- and two-story buildings is most common. c. Panels are joined by welding. d. It uses a loadbearing structural steel framework.
The view in the illustration showing a colonial base molding is labeled _____.
a. A b. E c. G d. I
A k out of n system is one in which there is a group of n components, and the system will function if at least k of the components function. Assume the components function independently of one another.
a. In a 3 out of 5 system, each component has probability 0.9 of functioning. What is the probability that the system will function? b. In a 3 out of n system, in which each component has probability 0.9 of functioning, what is the smallest value of n needed so that the probability that the system functions is at least 0.90?
Most ROM ICs have tri-state outputs that:
A) permit the connection of many ROM chips to a common data bus. B) allow for three separate data input lines. C) allow the bidirectional flow of data between the bus lines and the ROM registers. D) isolate the registers from the data bus during read operations.