Why are communicating controls particularly well adapted for zone control systems?
What will be an ideal response?
Communication makes it possible for the variable capacity equipment to match its output to the demand from the different zones, and airflow can be regulated based on the number and size of the operating zones.
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A zoning ordinance refers to regulations that pertain mainly to
A) the use of highways within the city. B) the use of buildings within the city. C) the use of land within the city. D) none of the above.
Donna used the formula C = 0.0034 D2L to find the capacity of her cylindrical tank. The tank has a diameter of 42 inches and a length of 6 feet 7 inches.
Where: C is the capacity, gal. D is the diameter, in. L is the length, in. What is the capacity of Donna’s tank?
Describe what a “sustainable world” would be like.
What will be an ideal response?
Which of the following defines a computer input?
A. Voltage & ground supplied to power up the computer B. A signal from a sensor that measures various conditions C. Stored information in memory that the computer uses in making decisions D. A command signal to a relay, a motor, or a solenoid