热水供热系统中两台同型号的循环水泵并联运行时,下列说法正确的是( ) -题库考试答案搜索网

热水供热系统中两台同型号的循环水泵并联运行时,下列说法正确的是( )

单选题

2021-07-17 23:48

A、两台水泵并联运行比单台水泵运行时流量增大一倍,扬程不变
B、两台水泵并联运行比单台水泵运行时流量和扬程均增大
C、两台水泵并联运行比单台水泵运行时流量增大一倍,扬程增大
D、两台水泵并联运行时的流量比通过其中一台台水泵的流量和扬程均大一倍

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正确答案

B

试题解析

标签：建筑环境与能源应用工程专升本供热工程 2020年第二学期期末考试

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