A synchro unit draws but little power from the line and is designed for ____.
a. infrequent starting
b. use in hazardous locations
c. continuous duty excitation
d. starting duty only
c. continuous duty excitation
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By using ____ line widths, a more realistic elevation can be created.
A. similar B. varied C. thick D. review-quality
Natural draft towers and spray ponds are designed to produce a difference in water and air temperatures of ____°F.
A. 3 B. 5 C. 7 D. 10
A possible disadvantage of being a first-mover is:
A. Lower development costs B. Short-lived advantages as competition arises C. Certainty in designing a product D. Over-willing customers
An open loop system
A) controls conditions for machines that are open to the air B) connects to the main controller through an open wireless system C) monitors conditions that it cannot control D) monitors conditions that it can control