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Which consequence results when rapid sublimation overwhelms cryopump capacity?

A)Increased system backpressure and contamination
B)Enhanced vacuum and reduced thermal load
C)Optimal operational runtime for the pump
D)The increased trapping of volatile hydrocarbons

💡 Explanation

Increased backpressure and system contamination occurs because the pump (cold surface used to condense gases at low temperature) can no longer trap all sublimated vapor; its saturation point is exceeded; therefore, poor vacuum because gas is released rather than maintaining high vacuum.

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