Answer Posted / arindam dutta
When water flows through a pipe, it often happens that at
certain places the local pressure lessens than the vapour
pressure. this is called cavitation and causes serious
pitting.
Is This Answer Correct ? | 9 Yes | 6 No |
Post New Answer View All Answers
I am a mechanical student.And have cleared the written for NTPC. Please suggest what and how to prepare for the interview.i have got only 2-3 weeks in hand.
Sir i am appearing for the section engineer post examination of railway recruitment board.Can you please send me the previous question papers from 2001 to till date.
What is a brake horsepower?
how to calculate stiffners position and size in transformer design
What to write.. for perception about ntpc.. when you are applying for its interview?
What is meant by counter flow heat exchanger?
Explain bearing
Why would you use hydraulics rather than pneumatics?
What is the formula for 1 HP of a two-cycle engine?
what will happen if petrol engine make to run with diesel
How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.
Why dtsi is used in motor bikes?
what is the difference between ASTM A572 GRADE 50 [Fyld 345 MPa ] and IS2062 GRADE A E250 [Fe410 WA]?
Explain the difference between “stress and strain”?
WHAT IS THE DIFFERENCE B/W LUBE OIL 20 W 40 AND 20 W 40 OIL.