Solid-state relays intended for use as AC controllers have a ____ connected to the load circuit.

a. diac
b. semiconductor
c. power transistor
d. triac


d. triac

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The forest industry produces about ______ percent of the gross national product in the United States

A) 80 B) 10 C) ?75 D) 6

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Which of the following does NOT describe a disruptive technology?

a. Technology that radically transforms markets. b. Technology that creates wholly new markets c. Technology that prevents developing new markets. d. Technology that destroys existing markets. e. Both (a) and (c)

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Drum brakes use replaceable friction material called ________

A) Core B) Web C) Pads D) Linings

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Mil gauges are sometimes used to measure mechanical parts when high precision is important.

Answer the following statement true (T) or false (F)

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