A variable resistor used to control current is called a ____.
A. wirewound
B. tin oxide
C. potentiometer
D. rheostat
Answer: D
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The fundamental building blocks of all metals are atoms arranged in very precise three-dimensional patterns called ____________________.
Fill in the blank(s) with the appropriate word(s).
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The double grouser track shoe is the most common.
Answer the following statement true (T) or false (F)
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The WQTR is used to set the essential variables for welding procedures
Indicate whether the statement is true or false
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Subtract the following decimal fractions: 10,151.58 - 1,844.66
What will be an ideal response?
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