How is back-pressure created?
What will be an ideal response?
Back-pressure is created when a source other than the supply system obtains a pressure
higher than the potable water supply pressure.
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The hours, location, physical activity, and variety of tasks involved in an occupation are called the
_____.
a. job flexibility c. nature of work b. educational requirements d. job security
Interior overhead lights (dome lights) are operated by doorjamb switches that _________
A) Complete the power side of the circuit B) Complete the ground side of the circuit C) Move the bulb(s) into contact with the power and ground D) Either A or B depending on application
What type of electrical fault is an incomplete circuit?
What will be an ideal response?
The advantage of a phototransistor over a photodiode detector is that __________.
A. it operates at higher frequencies B. it has greater light sensitivity C. it is linear D. it has small temperature coefficients