已知某离心泵出口流量为100m3/h,出口管规格为φ108×6,若离心泵出口流量提高 发布时间:2017-07-17 12:17 │ 来源:www.tikuol.com 题型:单项选择题 问题: 已知某离心泵出口流量为100m3/h,出口管规格为φ108×6,若离心泵出口流量提高了1倍,则此时泵的出口流速为()m/s。A、3.4B、3.8C、6.4D、7.6
题型:单项选择题 资金成本包括融资费用和筹资费用两部分,其中属于融资费用的是()。A.向股东支付的股利,向债权人支付的利息B.向债权人支付的利息,借款手续费C.借款手续费,向股东支付的股利D.债券发行费,向股东支付的股利 查看答案
题型:单项选择题 ()are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.A.ControlsB.BaselinesC.Project stakeholdersD.Project managers 查看答案