Which of the following is a benefit derived from using a pulsewidth-modulated (PWM) adjustable frequency drive (AFD) versus an analog SCR AFD?

a. Controlled starting
b. Reduced problems with harmonics and EMI
c. Adjustable torque limiting
d. Adjustable operating speed


b. Reduced problems with harmonics and EMI

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Explain the advantages and disadvantages of a lead-acid battery

What will be an ideal response?

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Please refer to question 10 above. A major fire and/or heavy water damage may, if adequate insurance is not in force, be an example of the risk level cited in answer 10A

A. True B. False

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Technician A says that by full fielding the alternator, you are bypassing the voltage regulator. Technician B says that full fielding can possibly damage electronic circuits, so it is no longer a recommended test. 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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Catfish have:

a. Scales c. Flat heads b. Narrow heads d. All answers are correct.

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