The general types of commercial control systems include:
A) DC millivoltage, DC microamp loop, and AC frequency modulation.
B) Self-contained and remote.
C) Electric, electronic, and pneumatic.
D) Low-voltage, line voltage, and millivoltage.
C
You might also like to view...
Given the great enthusiasm for territorial expansion and the lure and pull of Manifest Destiny, why did the "all of Mexico" movement fail to win political assent in Congress or from even President Polk, a staunch advocate of both territorial expansion and Manifest Destiny?
What will be an ideal response?
Vehicles with a bin number of 3 have ________ than vehicles with a bin number of 1
A) The same emissions B) More emissions C) Less emissions D) None of these
Determine the load that can be lifted by the hydraulic system shown in the accompanying figure. All of the necessary information is shown on the figure.
What is NOT important to the plumber installing a sink (although it may be important to the customer)?
A. size B. price C. number and location of drain openings D. number of faucet and accessory holes