What does it mean if you see 6040, or 6/0 X 4/0 by a window symbol, and a 2868, or 2/8 X 6/8 by a door symbol?
What will be an ideal response?
A 6040, or 6/0 X 4/0, window means 6'-0" wide by 4'-0" high, and a 2868, or 2/8 X 6/8, door means 2'-8" wide by 6'-8" high. The first value is always the width and the second value is the height.
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Velocity pressure readings are taken on a duct system by:
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The current required to run the AC motor flows through the thermal overload heater and bimetallic switch contacts
Indicate whether the statement is true or false