A board foot is a measure of the ____ of lumber.
a.surface area
c.thickness
b.volume
d.length
ANS: B
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What safety device is used on an acetylene cylinder to reduce its danger in the event of exposure to extreme heat?
A. Rupture disc B. Flashback arrester C. Backfire arrester D. Fusible plugs
One of the most important tasks that a service technician must learn is how to safely work around equipment when the power is being supplied to the equipment.
Answer the following statement true (T) or false (F)
Horsepower ratings must be converted to ____ before they can be added to the load calculation form.
A. kilo-volts (kV) B. kilo-watts (kW) C. volt-amperes (VA) D. kilo-amperes (kA)
A precise square that has the ability to indicate the amount of deviation from true perpendicularity is a:
A) Cylindrical square or micrometer square B) Combination square C) Precision beveled edge square D) Solid beam square