If the vector diagram of two AC waveforms is a right angle, then the waves _____.

a. are in phase
b. are 90° out of phase
c. have the same frequency
d. have the same peak voltage


b. are 90° out of phase

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How many Btus are required to raise the temperature of 9 lb of water 29?

Fill in the blank(s) with the appropriate word(s).

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Define the following legal terms as they relate to workplace safety: negligence; liability; ability to pay; tort

What will be an ideal response?

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The processor unit responsible for performing operations such as multiplication and complementing binary data values is the ________

A) instruction decode register B) timing and control unit C) register array D) arithmetic logic unit

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When brakes are applied, the brake shoes will press against the:

a. Brake drum or disc. b. S-cam. c. Slack adjuster.

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