【Daily Question】Deep Processing 20160613 Multiple Choice: Which of the following operating procedures for shell-and-tube heat exchangers is incorrect ( ...
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Which of the following operating procedures for shell-and-tube heat exchangers is incorrect? () A. When starting up, cold material should be fed in first, followed by hot material. B. When shutting down, hot material should be stopped first, followed by cold material. C. Non-condensable gas should be removed during startup. D. In the event of pipe blockage or severe scaling, the flow rates of cold and hot material should be increased respectively to maintain the heat transfer rate. Answer: D – In the event of pipe blockage or severe scaling, the flow rates of cold and hot material should be increased respectively to maintain the heat transfer rate
D. In the event of pipe blockage or severe scaling, the flow rates of the cold and hot materials should be increased respectively to maintain the heat transfer rate
D. In the event of pipe blockage or severe scaling, the flow rates of the cold and hot materials should be increased respectively to maintain the heat transfer rate
D. In the event of pipe blockage or severe scaling, the flow rates of the cold and hot materials should be increased respectively to maintain the heat transfer rate
D. In the event of pipe blockage or severe scaling, the flow rates of the cold and hot materials should be increased respectively to maintain the heat transfer rate
D. In the event of pipe blockage or severe scaling, the flow rates of the cold and hot materials should be increased respectively to maintain the heat transfer rate