When calculating the kW output of a resistive heating element, a correction factor is applied when the _____.
a. heater is cold
b. heater is hot
c. entering air temperature is higher than 65°F
d. outdoor temperature is lower than 35°F
a. heater is cold
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The instantaneous direction of current at a specific moment is known as _____.
a. hysteresis b. polarity c. impedance d. internal resistance
____________________should never be used in garages in which gasoline, propane, and natural gas-fueled vehicles are present.
Fill in the blank(s) with the appropriate word(s).
Formulas are for a cube, cylinder, pyramid, and cone.
One cubic foot will hold 7.5 gallons of water. A rectangle-shaped tank is 10 feet by 8 feet by 8 feet. How many gallons of water will this tank hold?
Fill in the blank(s) with the appropriate word(s).
What does a symbol such as L/D= 360 represent?
A. code allowable deflection B. live load value C. size and spacing of lumber D. title