Basic Knowledge of Gasification 2018-10-14 (Multiple Choice)
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Why must the outlet be completely closed before starting a centrifugal pump? A. According to the pump’s performance curve, when the flow rate is zero, the starting power is minimal, which helps to protect the motor effectively. B prevents hydraulic shock in the export pipeline. C does not need to shut down AB
A According to the pump’s characteristic curve, when the flow rate is zero, the starting power is at its minimum, which helps to effectively protect the motor. B prevents hydraulic shock in the export pipeline.
A According to the pump’s characteristic curve, when the flow rate is zero, the starting power is at its minimum, which helps to effectively protect the motor.
A According to the pump’s characteristic curve, when the flow rate is zero, the starting power is at its minimum, which helps to effectively protect the motor.