Most systems can operate with up to ________ feet of lines and a maximum of ________ feet vertical distance between the indoor and outdoor units
A) 100, 30 B) 75, 15 C) 90, 20 D) 50, 10
D
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If the surface area of a sphere is 33.80 square inches, what is the diameter of the sphere in inches rounded to 4 significant digits.
Fill in the blank(s) with the appropriate word(s).
An empty spherical tank that has a diameter of 9.2 meters is filled with water. Water is pumped into the tank at a rate of 860 liters per minute. How many hours of pumping are required to fill the tank? Round the answer to the nearest tenth hour.
Fill in the blank(s) with the appropriate word(s).
The material used to absorb moisture inside an AC system is called ________
A) PAG B) Desiccant C) Ester D) Drier
What fan performance characteristics are shown on a typical fan curve?
A) pressure drop, efficiency, and horsepower B) RPM, tip speed, and horsepower C) sound levels, bearing temperatures, and reluctance D) horsepower, RPM, and reluctance