What are at least four of the basic operation default parameters programmed in a VFD?

What will be an ideal response?


The VFD has the following basic operation default parameters programmed:
VFD display shows the output frequency
integral keypad control
Nameplate voltage of 230-volts
Nameplate frequency of 60 Hz
Nameplate RPM of 1750
Maximum RPM of 1750
Constant torque operation
Maximum motor current set to the maximum current rating of the VFD
5-second ramped start and stop time

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A reamer tapers 0.130" along a 4.250" length as shown in the accompanying figure. Set up a proportion and determine length A in inches if the taper in length A is 0.085 inches. Express the answer rounded to three decimal places.

A. 2.556 B. 2.609 C. 2.779 D. 2.983

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Which valve is used on a factory supercharger to limit boost?

A) An air valve B) A wastegate C) A bypass valve D) A blow off valve

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Which of these functions cannot be performed by an octal transceiver?

A) pass eight bits of data in parallel B) provide a three-state output C) pass data two directions simultaneously D) pass data two directions

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Boyle's Law makes what assumption?

A. Gas is lighter than air. B. The temperature remains constant. C. Temperature always varies. D. Air is lighter than most gasses.

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