It is estimated that approximately __________% of residential central air conditioning systems are oversized, about __________% are improperly charged with refrigerant and that approximately __________% of residential systems have inadequate airflow.
What will be an ideal response?
50, 45, 70
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The output frequency of the alternator is determined by the speed of the ____________________.
Fill in the blank(s) with the appropriate word(s).
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The most important thing to do when a low air pressure warning comes on
Air brakes
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In the graph, identify the coordinates of the point represented by the letter E.
Fill in the blank(s) with the appropriate word(s).
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In a series RC circuit, if the time constant is large, the capacitor will charge
A. slowly B. instantaneously: in no time (i.e., it doesn't matter what the time constant is) C. never (the capacitor never builds up a voltage) D. quickly
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