What type of current reverses its direction of flow at regular intervals?

A. direct
B. alternating


Answer: B

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The best way for crew leaders to encourage crew safety is to _____.

a. conduct regular workplace inspections b. create unsafe conditions to test workers c. set a good example for them d. promote good communicatio

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Which type of tap should be used to cut new threads to a bore?

A. taper B. plug C. bottom D. chaser

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Why should suction line filter driers be removed after the system is clean?

What will be an ideal response?

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In a JFET, the U- shaped region is called the ____ and is flush with the upper surface of the substrate.

A. channel B. gate C. source D. drain

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