【Daily Question: Pump Equipment】Multiple-choice Question 2018.11.27

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Multiple-choice question rules: 1. For each incorrect answer, a reward of 2 wealth points is given for active participation； 2. A correct answer rewards 6 wealth points ； 3. Rewards for answers are available once per person only ； 4. Each reply allows for only one management rating ； 5. The answer and its explanation will be visible after responding ； 6. The reward is valid for 48 hours. The student has won awards again; come by here every day. The specific gravity of the fluid being transported has a direct impact on which of the following parameters? (Multiple choice) A. Flow rate B. Head C. Outlet pressure D. NPSHA E. Shaft power. Answer: CE. Flow rate, head, and NPSHA are inherent parameters of the pump itself, unrelated to the fluid being transported or the operating conditions. Meanwhile, outlet pressure and shaft power are directly proportional to the specific gravity. Therefore, the answer is CE