Electricians that work with three-phase power, motors, and motor control systems most likely work in _____.
a. apartment buildings
b. office buildings
c. industrial facilities
d. residential construction
c. industrial facilities
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The height of garage doors is measured from the ____.
A. peak of the roof B. driveway marker C. floor level D. line representing the ground
When guying a tree, stakes must be driven into the ground in an upright position
Indicate whether the statement is true or false
Which grade of fuel oil has the highest viscosity?
A) Only industrial duty fuel oil is required to have viscosity B) All fuel oil has the same viscosity because it requires the same additives C) Number 1 D) Number 6
To control ice build-up on a heat pump outdoor coil in the heating cycle, a ____ is used.
A. toggle switch B. pressure differential switch C. push button switch D. sail switch