____ cast irons have low silicon content and are cooled rapidly.
A. Gray
B. Red
C. White
D. Malleable
Answer: C
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?What kind of socket can be used to remove a male gallery plug?
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The calculation of quantities, from plans and specifications, is called the ____________________
Fill in the blank(s) with correct word
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Offset is defined as the distance between the __________ of two __________ pipes
Fill in the blank(s) with the appropriate word(s).
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The typical applied megohmmeter voltage in 600V class systems is _____
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