what is critical speed?

Answer Posted / saurabh kumar

critical speed is the speed at which rotor natural frequency
(rotor speed) matches with its excitation frequency.
Running of turbine on this speed is avoided

Is This Answer Correct ?    19 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How the F.W.C. system of diesel engine circulate?

1647


about induction motor

1476


Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

1824


What is iiucr in relation to petrol engine ?

820


Reason why we should avoid low speed running generator?

1497






which fit is this 177-S6?

1602


one kg of gas is compressed adiabatically from 1 kg/sq.cm,1 cubic metre volume and 300 kelvin to 5 kg/sq.cm,0.5 cubic metre and 400 kelvin.work transfer in this process will be

6757


why choke is not exactly placed in the middle of the tube light ?

1648


What is the difference between scavenging and supercharging ?

805


How do I calculate 2% Butane in 29.66 CFM?

998


1.how do you purchase the sheetmetal,machined components for OEMS? 2.WHAT IS THE SYSTEM TO BE MAINTAINE FOR PURCHASE ACTIVITY? 3.HOW DO U DO THE PRICE NEGOTIATIONS & ITS PROCEDURES? 4.WHAT ARE THE PROBLEMS WILL FACE WHILE PURCHASING THE COMPONENTS& WHAT IS THE SOLUTION TO OVERCOME BY THAT ONE 5.WHAT IS THE NECESSARY NOTES TO MAINTAIN THE PO& RELEASING THE PO?

1675


wt is MAG weld? wr it is specifically used and reason for it .

1420


Enumerate the cause of pumps low delivery of water

1507


Why pert is preferred over cpm for evaluation of project ?

639


Is a diesel engines maximum rpm limited by the diesel burn rate?

633