[单选] Which of the listed statements is correct concerning the starting of centrifugal pumps?（）

A . They should always be started with the discharge valve closed
B . They should always be started with the discharge valve opened
C . A priming pump is always required to flood the impeller suction
D . They should always be started with the sealing line valves closed

实施贷放分控，突出强调放款环节的重要地位，是有效防止发放“带病贷款”，保障贷款资金安全的重要手段。在传统的银行信贷管理模式中，贷款发放审核工作一般由前台业务部门负责。中控系统分成（）个部分。 3。 2。 4。 5。液化气球罐的操作温度为（）。常温。高温。低温。任意温度均可。放款执行部门应参与贷后管理工作。 Which of the listed statements is correct concerning the starting of centrifugal pumps?（）

参考答案：

● 参考解析

本题暂无解析

当前位置：船舶辅助机械题库

[单选] Which of the listed statements is correct concerning the starting of centrifugal pumps?（）

相关题目: