Basic Knowledge of Ammonia Synthesis – One Question per Day 115

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Single-choice question: 1. The correct method to reduce the flow rate of a centrifugal pump is (). A、Reduce the opening of the inlet valve, B、Reduce the opening of the outlet valve, C、Increase the pump’s speed, D、Increase the opening of the outlet valve. 2. Increasing the resistance in the outlet pipeline of the centrifugal pump results in changes in the pump’s outlet pressure and flow rate as follows (). A、Pressure increases, flow rate increases; B、Pressure increases, flow rate decreases; C、Pressure decreases, flow rate increases; D、Pressure decreases, flow rate decreases. We hope all Sea View friends will participate actively: handshake. The first 50 participants to answer the questions will receive a reward. Please reply with the answer hidden; otherwise it will be invalid. Hidden method: http://bbs.hcbbs.com/thread-492556-1-1.html Please do not edit the ‘L’ after replying. Answer key: 1, B, 2, B.