If a technician wanted to accurately measure static pressure in a duct system, how would she place the sensing probe of the magnehelic gauge?
A) Perpendicular to airflow B) At the return grill inlet
C) In line with the air flow D) At the supply register outlet
A
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What are the factors that affect the accuracy of fuel-gas flame temperature and heat readings? ?
What will be an ideal response?
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What kind of scales are used for site plans and other topographic uses?
What will be an ideal response?
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Fluteless spiral pointed taps are used to tap:
A) Nuts B) Tough materials C) Holes in sheet metal D) Deep holes
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Starting circuits generally employ resistors of a higher wattage value than circuits that are intended for speed control.
Answer the following statement true (T) or false (F)
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