In a variable frequency control, the ____ control sets the maximum amount of current the drive is permitted to deliver to the motor.

a. volts per hertz
b. maximum Hz
c. current limit
d. minimum Hz


c. current limit

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All overload relays contain two separate sections, the ____ section and the control contact section.

A. voltage-sensing B. voltage-modulating C. current-sensing D. resistance-modulating

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Why is it better to remove the oil pan before turning the engine over on the stand?

What will be an ideal response?

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When you use find, it is useful to note that some UNIX versions require the ____ option after the file name to display the names of files.

A. -display B. -print C. -show D. -names

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__________ optical encoders are capable of measuring velocity.

A. Incremental B. Absolute C. Incremental and absolute

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