A gate output is supposed to be HIGH. A digital probe indicator lamp is off. This could be caused by
A) a failed gate. B) a nonfunctional probe.
C) improper gate input. D) all of the above
D
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Proper sizing of a storm drainage system requires the plumber to know the maximum expected rainfall during a given period, and the _____.
a. designed rate of removal b. slope of the horizontal branches c. vertical conductor diameter d. size of the runoff receptacle or basin
Most side-impact air bags are a single-stage hybrid or non-azide design.
Answer the following statement true (T) or false (F)
The site location plan shows the following.
A. location of all doors B. location and dimensions of the building C. location of all service utilities D. location of service utilities
A ____ reacts to stop, start, or modulate the flow of water, air, or refrigerant to the system or conditioned space
A. sensor B. controller C. controlled device D. none of the above