Determine the area of a rectangle 18.0 inches long and 5.60 inches wide rounded to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).
101 sq in
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Why does a chilled water cooling coil have more rows of coils than a hot water heating coil?
A) Hot water heating coils can take advantage of radiant heat transfer and cooling coils cannot. B) More surface is necessary for dehumidification. C) Heat does not travel into cold water as readily as it does into hot water. D) Most buildings require more cooling than heating.
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Gas shielded wire operate with:
A) AC B) DCEP C) DCEN D) Either polarity
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If a 470 ? resistor, 680 ? resistor and 830 ? resistor are connected in parallel, the total resistance equals ________
A) 1980 ? B) 1510 ? C) 208 ? D) 1150 ?
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Why is chordal action a problem in a chain drive?
What will be an ideal response?
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