Primary resistor starters are used with limited current inrush ____.
a. to save in operation costs
b. for a fast response
c. to prevent excessive power line disturbances
d. for short periods of operation
c. to prevent excessive power line disturbances
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The clearance in any direction to swimming pool observation stands, towers, or diving platforms for insulated cables supported by a solidly grounded bare messenger wire or a grounded neutral conductor in a voltage range of 0V to 750V to ground is _____.
a. 14.5' b. 17.0' c. 18.0' d. 22.5'
The ratio of an object’s mass to its volume is
a. density b. specific volume c. specific gravity d. specific weight
The most difficult type of door to fit to a cabinet is a(n) _____ door
a. lipped b. flush c. oversized d. overlay
Returning water temperature, along with the water flow through the evaporator, are critical variables that will impact the performance of:
A) Water-cooled units. B) Air-conditioners. C) Chillers. D) Air-cooled units.