Burnishes, nicks, and scrapes are generally the result of which of the following?

a. Poorly stripped conductors
b. Poorly insulated conductors
c. Oscillatory motion
d. Mechanical vibration


a. Poorly stripped conductors

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The ____ is typically the first access to the residence for guests.

A. patio B. garage C. foyer D. lobby

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The number 152 is equal to _____.

a. 225 b. 375 c. 1,350 d. 3,375

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Which of the following statements is LEAST-Likely true?

A. The cam and lifters on pushrod engines become wear-mated after the first few weeks the engine is run. B. Used lifters will rapidly wear out a new cam. C. If a cam is to be reused, it is important that the lifters be kept in order for replacement on their respective lobes. D. If a flat-tappet cam is replaced, replace the lifters also.

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What is drilling?

What will be an ideal response?

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