The majority of air leaks in sheet metal duct systems occur:

A) Along the lengthwise seam in the duct. B) In the seams of adjustable elbows.
C) At joints between ducts. D) Around takeoffs on supply and return plenums.


D

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Hookworms and heartworms are not considered to be roundworm parasites

Indicate whether the statement is true or false

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Why should deionized water be used for cooling high-amperage plasma torches?

A. It is free of materials that can clog the small internal openings in the torch. B. It is free from conductive ions that can damage torch parts over time. C. It will not freeze in cold weather. D. Both a and b are correct.

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Technician A says that thinners and reducers are a single solvent with a set reaction time. Technician B says that thinners and reducers are a combination of solvents mixed to react in precise ways. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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An LN3 fit is a locational transition fit.

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

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