【Daily Question No. 257】2018.09.20

2018-09-20View Original

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【Daily Question No. 257】On September 20, 2018, installing a check valve in the pump’s outlet pipeline can prevent ( ). A. Liquid backflow occurs when the pump is shut down. B. Excessive current is generated during pump startup, which can burn out the motor. C. To prevent surging. D. To prevent cavitation. A is correct; 3 correct answers, 1 incorrect answer ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below

Reply #22018-09-20

A. Liquid backflow occurs when the pump is shut down

Reply #32018-09-20

A. Liquid backflow occurs when the pump is shut down

Reply #42018-09-20

A. Liquid backflow occurs when the pump is shut down

Reply #52018-09-20

A. Liquid backflow occurs when the pump is shut down

Reply #62018-09-20

A. Liquid backflow occurs when the pump is shut down

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