Could everyone help me analyze the reasonable explanation for this correct answer? Thank you all
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The measure that can prevent liquid slugging from occurring when a pump at the bottom of a heating furnace, in which the material is in a hot state, is restarted after a long period of shutdown is ( ). A. Quickly open the pump’s outlet valve. B. Slowly open the pump’s outlet valve and adjust the flow rate in the furnace tubes manually, one by one. C. Quickly open the pump’s outlet valve and adjust the furnace tube flow rate to normal levels. D. Slowly open the pump’s outlet valve and use manual control in the control room to adjust the furnace tube flow rate to normal levels. Answer: C
This post was last edited by ylb913 on 2016-7-13 19:02. The description in the title is unclear; does it include pumps and heating furnaces as well, which are in a hot state?