Infiltration is the term used when referring to the air entering a structure ____.
A. through an air make-up unit
B. around doors and windows
C. through ventilation
D. because of street traffic
Answer: B
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The ____ weld is one of the most widely used types of welds.
A. fillet B. fill C. filling D. filled
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?After passing a visual inspection, what mechanical test is next used on the 2G or 6G pipe test specimen?
A. ?X-ray B. ?dye penetrant C. ?guided-bend test D. ?nick break test
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What is the main difference between the government and private contracts?
What will be an ideal response?
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Diffusion is one cause of signal attenuation in fiber optic cable
Indicate whether the statement is true or false
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