Unless it is protected or is a low-voltage type of track, track lighting on a wall must be installed at least _____.

a. 5' above the floor
b. 6' above the floor
c. 8' above the floor
d. 10' above the floor


a. 5' above the floor

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When main bearing shells are installed to an engine cylinder block, what should be used to lubricate the bearing face?

A. nothing B. engine lube C. lubriplate D. silicone

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A water ____________________ refers to that level below which soil is saturated or filled with water

Fill in the blank(s) with the appropriate word(s).

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?All of the following statements are correct EXCEPT:

A. ?NLGI sets the standards for testing greases. B. ?The prefix GC is the highest designation for automotive wheel bearing greases. C. ?The prefix LB is the highest designation for automotive chassis greases. D. ?Greases are named for their thickening agent.

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The ____________________ view of population and resources is that the world population will eventually cause severe shortages of some resources.

Fill in the blank(s) with the appropriate word(s).

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