A pulse-width modulation (PWM) inverter provides an output waveform that can have ___________
a. Its voltage, current, and frequency varied.
b. Only its voltage varied.
c. Only its current and frequency varied.
A
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Starting compensators using a five-pole starting contactor are classified as ____.
a. autotransformer starters b. open transition starters c. secondary Resistors d. semiautomatic Starters
Technician A says that torsion bars can be reinstalled on either side of the vehicle. Technician B says that torsion bars are often used on 4x4 trucks. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A dual air brake system is best described as
A. Having two separate air brake systems that use a single set of brake controls B. Having two separate air brake systems both systems of Supply Air to the trailer if there is none C. Having two separate air brake systems each system has its own air tanks hoses lines Etc D. Having two separate air brake systems a primary system in a secondary system E. All of these
CMUs are available as lightweight and normal-weight CMUs. Which one is costlier and which one is preferred by the masons?
What will be an ideal response?