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

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What are the responsibilities of owners during construction projects?

What will be an ideal response?

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Flat electrodes are sized by _____

a. length b. the width of their widest side c. the area of their cross section d. voltage

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Shift registers can be used for

A) storage. B) decoding. C) multiplexing. D) encoding.

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