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