The only devices in the decision maker category for the PLC system are the ___________________ that reside in the PLC logic program.
Fill in the blank(s) with the appropriate word(s).
virtual relay coils
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A sustainable landscape ____
a. does not require a lot of maintenance b. thrives for long periods without excessive water and fertilizer c. is gentle to its surroundings d. protects soil and water e. has all of the characteristics above
Woodrow Wilson was most comfortable when surrounded by
A. African Americans. B. Catholics. C. political professionals. D. journalists. E. academic scholars.
Philip of Macedon’s grand agenda after the conquest of Greece was to
a. destroy the Phoenicians. b. conquer Persia. c. eliminate the poleis from Greece. d. colonize the western Mediterranean.
What type of mixing valves sense leaving water temperature and cause the hot and cold controls to reposition themselves if the discharge water temperature changes?
A. pressure balancing B. thermostatic C. combination pressure balancing and thermostatic D. electronic