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An ASCS is cleaning an exhaust system that has a fan located adjacent to an outside air intake. Which of the following i

Posted: Mon Jan 30, 2023 7:27 am
by answerhappygod
An ASCS is cleaning an exhaust system that has a fan located adjacent to an outside air intake. Which of the following is a potential source of cross-contamination?

A. Thermal drift
B. Stratification
C. Capture of exhaust air
D. Negative pressure in the exhaust duct