The National Electrical Code® is revised every __________ years to reflect the latest changes and trends in the electrical industry.

a. two
b. three
c. four
d. five


b. three

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Design a Lead controller using root locus techniques for the plant,


such that the following performance specifications are met:

System is stable.

What will be an ideal response?

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Answer the following statement(s) true (T) or false (F)

The grid lines on the engineering paper, which can be seen from the front of the paper, are there to assist you in drawing things or presenting tables and graphical information on the front of the page neatly.

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Deep-hole drilling machines are usually horizontal

Indicate whether the statement is true or false

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Where are plate evaporators typically used?

A) direct expansion chillers B) Large flooded chillers C) Air Conditioning coils D) Small residential refrigerators

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