Which of the following are used to protect conductors from being damaged by the sharp edges of the threaded conduit end
a. Locknuts
b. Insulated bushings
c. Conduit bodies
d. O-rings
b. Insulated bushings
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The largest hydroelectric plant in the world is the ____
a. Grand Coulee Dam in Washington State b. Glen Canyon Dam in Colorado c. Bonneville Dam in Oregon d. Three Gorges Dam in China
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Audio amplifiers are divided into two categories: ____________________ amplifiers and power amplifiers.
Fill in the blank(s) with the appropriate word(s).
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Which tier of emission standards became effective in 2009?
A) Tier 2 B) Tier 1 C) Tier 3 D) None of these
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The pod of a legume is its fruit
Indicate whether the statement is true or false
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