NEC Article 250 contains requirements for _____.

a. overcurrent protection
b. grounding and bonding
c. calculating branch circuit loads
d. branch circuit installation


b. grounding and bonding

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A ____ for plant installation and major servicing is necessary when bringing in large-scale plants and

plants in quantity.

a. forklift c. wide, tall corridor b. loading dock d. service elevator

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Axle windup is most often a problem with ________

A) Vehicles with a live rear axle B) Front-wheel drive vehicles C) Both A and B D) Neither A nor B

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Determine the weight of a recovery cylinder when safely filled with the following specifications: tare weight of 20 pounds water capacity of 30 pounds refrigerant specific gravity of 1.1

What will be an ideal response?

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When there are three or four letter tag identifiers, the second letter ____.

A. tells the function of the instrument B. provides additional information about the first letter C. indicates the type of process variable D. gives the loop identification E. either a or b

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