When using a computer workstation, you should keep your elbows close to your body and bent between ____ and 120 degrees.

A. 60
B. 75
C. 90
D. 105


Answer: C

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____________ might be an indication that the sealant compound or tape was not applied correctly.

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

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The ____________________, or “brain,” of the programmable logic controller is the decision-maker that controls the operation of the equipment to which it is connected.

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

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The subsequent problems deal with the circuit below, where the op amp is an LM741 with an output short circuit current of 25 mA, and a maximum output voltage swing of +/? 13.6 V. NOTE: do not assume the op amp is "ideal."The open-loop frequency response curve for the op amp, as provided by the manufacturer is:If Vin=5V, and R=1k?, which direction is current flowing into or out of the op amp output pin?

A. out (current is being "sourced") B. in (current is being "sunk") C. 0 (not in or out)

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Electric baseboard heaters are classified as ____.

A. natural draft convectors B. forced draft convectors C. forced draft conductors D. radiant heaters

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