题目内容

Highviscosityfluidshave

A. lowpressuredrop
B. lesspowerconsumption
C. slowoperation
D. alloftheabove

查看答案

搜索结果不匹配？点我反馈

更多问题

Whatcausespressuredropinhydraulicsystems?

A. longlengthofpipe
B. friction
C. typeoffluid
D. alloftheabove

Inapipe,flowrateis3000mL/minandflowvelocityis5cm/s.Thecross-sectionareaofthepipeis:

A. 5cm2
B. 10cm2
C. 15cm2
D. 20cm2

Inapipe,flowrateis9L/minandflowvelocityis0.1m/s.Thecross-sectionareaofthepipeis:

A. 5cm2
B. 10cm2
C. 15cm2
D. 20cm2

Inapipe,flowrateis30L/minandflowvelocityis0.3m/s.Thecross-sectionareaofthepipeis:

A. 10cm2
B. 15cm2
C. 16.7cm2
D. 20cm2