The gas burden from conventional LC flow rates creates nearly _____ times more gas than cryo-pumped vacuum system can handle.
A. 5
B. 10
C. 20
D. 40
Answer:C
The gas burden from conventional LC flow rates creates nearly _____ times more gas than cryo-pumped vacuum system can handle.
A. 5 B. 10 C. 20 D. 40
Explanation: The gas burden from conventional LC flow rates creates nearly 20 times more gas than cryo-pumped vacuum system can handle.