The size indicated for the diameter of ACR copper tubing is the approximate ____.

A. inside diameter
B. outside diameter
C. wall thickness
D. none of the above


Answer: B

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The conductors of a single phase are not permitted to be run in metallic conduit because ____ currents will be induced.

A. eddy B. series C. parallel D. superconducting

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SAI reduces the need for excessive positive camber.

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

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Permit systems are designed and developed to _____.

a. prevent theft and vandalism on the work site b. reduce the chances of incidents and injuries to workers c. help investigators assess liability d. ensure compliance with OSHA regulations

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Noise levels above ______________ decibels can cause hearing loss.

A. 85 B. 100 C. 115 D. 135

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