What is a function of the wearing rings used in most centrifugal pumps?（）<br>A:Absorb erosion of high velocity discharge stream<br>B:Seal pump shaft against entry of air<br>C:Isolate the discharge side from the suction side<br>D:Dampen the turbulent discharge flow

What is a function of the wearing rings used in most centrifugal pumps?（）
A:Absorb erosion of high velocity discharge stream
B:Seal pump shaft against entry of air
C:Isolate the discharge side from the suction side
D:Dampen the turbulent discharge flow

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:【10252701】个 (题库试题定时更新)