List three advantages for using an AC motor rather than a DC motor in a BEV.
What will be an ideal response?
• DC electric motors are quite reliable; however, the brushes and commutator present some durability concerns. AC motors do not have brushes.
• DC motors are typically more expensive than comparable AC motors.
• AC motors readily accept their role in regenerative braking whereas DC motors require a special controller.
• AC motors are lighter than comparable DC motors.
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Technician A says that the face of the valve should overhang slightly into the combustion chamber when the valve is closed. Technician B says that the throat angle would most likely result in a ruined valve seat if ground too much. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
What are the responsibilities of owners during construction projects?
What will be an ideal response?
Flat electrodes are sized by _____
a. length b. the width of their widest side c. the area of their cross section d. voltage
Shift registers can be used for
A) storage. B) decoding. C) multiplexing. D) encoding.