What kind of controller action is related to the length of time an error persists?

A. on/off
B. proportional
C. integral
D. derivative
E. all of the above


Answer: C

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If the primary current is less than two amperes for a transformer rated at 600 volts or less, the short-circuit protective device can be set at not more than ____ percent of this value.

A. 100 B. 200 C. 300 D. 400

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0.2379 + 17.23 รท (4.99 x 0.712) = ____. Round to two decimal places.

A. 4.62 B. 2.70 C. 4.92 D. 5.09

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major components of the Emergency Planning and Community Right-to-Know Act are:

A) Emergency planning and toxic chemical release reporting B) Emergency notification and information requirements C) Neither A nor B D) Both A and B

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An increase in stick-out will result in:

A) No effect on current B) Increased current C) Increased voltage D) Reduced current E) Both A and D

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