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← ScienceWhich consequence results when rapid outgassing overwhelms vacuum chamber's cryopump capacity?
A)Decreased thermal conductivity
B)Increased total pressure✓
C)Improved ultimate vacuum
D)Enhanced surface cleanliness
💡 Explanation
Increased outgassing overwhelms the cryopump, impeding the **physical adsorption** needed to condense gases; therefore, the chamber pressure rises because the pump can't maintain low pressure levels, rather than achieving better vacuum.
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