what is critical speed?

Answer Posted / kanhaikumar

critical speed is the
theoretical angular
velocity that excites the
natural frequency of a
rotating object, such as a
shaft, propeller,
leadscrew, or gear.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is IS standard in case of mode of measurement for ducting

1621


Purpose of lubricator in a large diesel engine.

1547


I need BHEL Engineer Trainee written test papers in Mechanical stream.

1831


i am studying mechanical engineering third year.. i want to study ine year marine bridge coure.. is that good for me?

1457


why with the increase of pressure latent heat of steam decreases?

1639






Why coupling should be located very near to the bearing? Why lap joint not recommended for tensile force?

2339


Draw L.O. system in diesel engine?

1809


What are the disadvantages of axial flow (piston type) automatic control valve compared to the conventional types (globe or diaphragm) If you are a designer/specifier, do you accept this type of valve for using in building's piping systems ?

1752


Why thermal efficiency of i.c. Engines is more than that of gas turbine plant ?

597


hii sir. how will CAE/CFD courses useful to B.tech freshers? is this courses useful to getting job in automobile industry? plz give some advise...

1430


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.

1609


What is the difference between torque and power?

647


What causes damage to impellers?

1546


What is the difference between newtonian and non-newtonian fluids?

610


There is a back compression in Engine, what does it mean

6160