A combination of two elements makes up common fuel gases. Which of the following elements make up these fuel gases?

A) Hydrogen and carbon B) Carbon and fluoride
C) Carbon and oxygen D) Hydrogen and oxygen


A

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The single most important variable in soil compaction is the _____.

a. moisture content b. type of soil c. compacting equipment d. compaction method

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In a conventional DC motor, electrical arcing not only causes wear but results in electrical interference in computer circuits. A(n) ____________________  has no commutator or brushes, so arcing cannot occur.

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

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A steel fish tape should be used when pulling conductors through an installed conduit system and into an energized loadcenter.

a. True b. False

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What is a control part of a system or diagram?

What will be an ideal response?

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