【Mechanical Equipment Technology Exchange Edition】Mechanical Equipment 【Daily Question】20201025
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Centrifugal pumps with closed impellers have high efficiency and are the most widely used; they are suitable for transporting (C) A. sewage B. muddy water containing sand C. pure liquids D. liquids containing solid particles. For the daily question activity in the mechanical equipment section, please reply within three days.:victory: Rewards range from 5 to 15 points depending on the response; those who can provide detailed answers will receive additional rewards. All forum members are welcome to participate actively to support the development of the forum! ! !
Choose C. Explanation: In a centrifugal pump with a closed impeller, there are front and rear cover plates on both sides of the blades. Closed impellers offer higher efficiency and are the most widely used; they are suitable for transporting clean liquids, and this type of impeller is commonly used in ordinary centrifugal pumps.