The command > accountsfile ____.

A. deletes de file accountsfile
B. is not valid in UNIX/Linux systems
C. displays the contents of the file accountsfile on the screen
D. creates an empty file called accountsfile


Answer: D

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The pressure switch may be connected in series with the compressor, or in series with the compressor control relay, depending on the type of ____.

a. application b. control circuit c. discharge d. suction

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

Only qualified and trained persons should use builder’s transits and levels.

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The end points of the electric grid are ____________________.

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

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Which of the following is not listed as a brainstorming rule?

A. Defer judgment B. Listen to yourself C. Emphasize quality over quantity D. Be visual

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