The advantage of a centrifugal pump as compared with a reciprocating pump is that （）.<br>A:discharge is continuous<br>B:it has no internal valves<br>C:upon accidental closing of discharge valve, excessive pressure will not build up<br>D:all of the above are true

The advantage of a centrifugal pump as compared with a reciprocating pump is that （）.
A:discharge is continuous
B:it has no internal valves
C:upon accidental closing of discharge valve, excessive pressure will not build up
D:all of the above are true

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)