An oscillator is generally considered to produce a waveform that has positive and negative pulses of equal voltage and ____.

a. time
b. resistance
c. current
d. power


a. time

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The U.S Green Building Council has developed nationally recognized standards for the design, construction and operation of new and existing buildings. These standards are known by the acronym ____________

A. BREEM B. LEED C. Energy Star D. Gold star

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Nickel metal hydride (NiMH) batteries can be damaged if exposed to temperatures higher than about ________

A) 200°F B) 150°F C) 175°F D) 225°F

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If a technician can repair 15 fenders in 1 hour, how long will it take to repair 626 fenders?

What will be an ideal response?

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What is on a silent chain that prevents it from moving laterally across the face of the sprocket?

A. side bar B. raised edge C. guide link D. lateral

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