________________ and circuit breakers are designed to automatically protect a circuit from damage because of excessive current flow.
a. Fuses
b. Currents
c. Transformers
d. Relays
ANSWER: a
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Personal computers are extremely expensive and therefore are not effective and efficient solutions for smaller companies and organizations.
Answer the following statement true (T) or false (F)
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High resistance in an electrical circuit can cause ________.
A) Dim lights B) Clicking of relays or solenoids C) Slow motor operation D) All of the above
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Support angles for bridge decks should not be welded to the flanges of beams that _____.
a. have a web less than 8" deep b. are in tension c. rest on a bridge center pier d. are in compression
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Disadvantages of carbon arc cutting include:
A) Portability B) Cost C) Difficulty of use D) Carbon contamination
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