Answer / santhosh nooranad

Every equipent the manufacture is giving one or more
critical speed.Don't run the equipent in critical speed,It
cause trip or bearing damage

Answer / salah

The Critical Speed is The Speed at Which the Center of mass
Not Equal to The Center of Rotation

Answer / mohammad

each elastic element(body) has own natural frequencies.when
a shaft rotating at its own natural frequency,even a small
imbalanced loads causes broad bond frequencies.if should
any of this frqeuencies coincide with the system frequency
(exciting frequency) critical speed will be occured.

Answer / hameedwahab

Critical Speed: When the shaft rotates at a speed, corresponding to its Natural Frequency of its material, then the minor unbalances are magnified and causes sever vibration (by Centrifugal Force) and damages the machine.

Answer / umesh

It is the apeed at which the frequency of the system equals
the natural frequency cause high vabration and damage the
bearings.

Answer / raj

Critical speed of what??

Answer / krishna

I need more clarification from Mr. karthick

Answer / koteswar

1.Generally we see the critical Speed in fleaxible mounted
high speed turbo machinerys only.
2.The critical speed is undamped free vibration,

Answer / rahul gohil

According to steam turbine critical speed is we can termed
as critical band also.cs means one stage of speed at where
rotating equipment will be stopped for certain min to
prevent unwanted vibration.becose at the stage of initial
starting high speed rotating equipment getting sacked or
dumped.

Answer / manoj patel

critical speed of which m/c

If two cars hid each other will the speed increase or decrease?

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plz send me mahagenco previous exam paper on my email-id sameersatelkar@yahoo.co.in

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