2017-8-11 Purification Technology Edition Daily Question (Multiple Choice)
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Based on which phenomena can one determine whether the pump’s filter screen is clogged? ( ) a The inlet pressure of the pump decreases and fluctuates significantly； The opening of the pump outlet control valve continues to increase, even reaching full open, while the liquid level in the tank connected to the pump inlet rises slowly ； c The motor current decreases. ABC Coal Chemicals Region – Purification Technology Edition: “My Technical Upgrades” in the Coal Chemicals Industry for 2017 (Generous prizes available) http://bbs.hcbbs.com/thread-1786290-1-1.html Registration for Chemical Engineers – Experience Sharing Event titled “Learning from Others’ Experiences” http://bbs.hcbbs.com/thread-1808158-1-1.html
Based on which phenomena can one determine whether the pump’s filter screen is clogged? (abc) A: The inlet pressure of the pump decreases, with significant fluctuations； The opening of the pump outlet control valve continues to increase, even reaching full open, while the liquid level in the tank connected to the pump inlet rises slowly ； c Motor current decreases