The switching sequence of the inverter transistor, while the drive is operating in the Quadrant __________ mode, is the same as when it is operating in the Quadrant 4 mode.
A. 1
B. 2
C. 3
Answer: C
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Which of these is NOT a true statement about the Californios?
A. They were descendants of the Spanish and Mexican conquerors who had once ruled California. B. In terms of social and political status, they deferred to the very powerful Franciscan missionaries until Mexico overthrew Spanish rule in 1821. C. The political and economic power and social status of the Californios received a major boost when Mexico's "secularization" program eroded the substantial power of the Franciscan missions and their leading priests. D. The Californios saw their social status and economic and political power significantly eroded following the American victory in the Mexican War. E. The Californios found themselves consistently at the lowest rungs of California society, even below the Indians, during the early to mid-1800s.
The following statements are all correct EXCEPT ________
A) Torque is the measurement of rotational force B) Torque is often expressed in pound-feet C) Torque always results in movement D) All of the above answers are correct.
Solid state devices like the H-bridge eliminate shoot-through
Indicate whether the statement is true or false
When used for short circuit protection of motor branch circuits, which of the following must be adjustable and used in conjunction with combination motor starters?
a. Motor short circuit protectors b. Multi-motor branch circuits c. Instantaneous trip circuit breakers d. Circuit interrupters