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Question
what is critical speed?
 Question Submitted By :: P.mani
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is critical speed?
Answer
# 1
dgdh
 
Is This Answer Correct ?    1 Yes 3 No
Mahadevan
 
  Re: what is critical speed?
Answer
# 2
the speed at which the system frequency and the rotor 
frequency are equal
 
Is This Answer Correct ?    4 Yes 0 No
Phani
 
 
 
  Re: what is critical speed?
Answer
# 3
Critical speed of what??
 
Is This Answer Correct ?    1 Yes 0 No
Raj
 
  Re: what is critical speed?
Answer
# 4
Critical speed means where natural frequency is equal to 
system frequency.
 
Is This Answer Correct ?    4 Yes 1 No
Srinu
 
  Re: what is critical speed?
Answer
# 5
1.Generally we see the critical Speed in fleaxible mounted 
high speed turbo machinerys only.
2.The critical speed is undamped free vibration,
 
Is This Answer Correct ?    0 Yes 0 No
Koteswar
 

 
 
 
Other Mechanical Engineering Interview Questions
 
  Question Asked @ Answers
 
Why U want 2 join TCS? TCS1
define jig and fixure?what is diference between jig and fixure?  5
what is second law of thermodyanamic HPCL6
an ice block submurged in the water, if the ice melt level of water NTPC11
i woule my experiences in BARC i recently gone for the interview.. they dont consider u r dress code and all, even u can go in a jeans and tea shirt.they dont careabout u r personality , profile .. Theytest (complety) our technical knowledge.. so u have to prepare well in not only the basics but also in depth.. Even the did not consider the percentile in GATE.. One guy got 99.63 in gate but did not given medical. so u have to be very stiff and togh technically.. u should have a lot of luck too,because right panel selects u.. u dont expect what,how in Barc,only why.i amnot frightening u, i am telling u some facts i have faced.. istead of all i did it superbly and waiting for the result.. if u want more information, u can email me ,call me at any time.. BARC2
how to start the answer for question : tell me about ur self ? Satyam4
9. Who is an ideal team worker according to you Wipro5
bullet proof glass is made up of which material? TCS1
IN A THERMAL POWER PLANT, WHY IS THE USED STEAM CONDENSED INTO WATER AND THEN SENT BACK TO THE BOILER, WHY NOT DIRECTLY REHEAT THE SAME STEAM??  4
What is diffrenece between Installation and Commissing ???? Reliance2
what is dicharge? how is measured? NTPC4
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what is cast iron?  2
What do you mean by super critical above 500MW in Thermal power plant?  1
What is the vane diagram in centrifugal pump ITC-Infotech1
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The pattern material used in Investment casting Process is? HAL2
Respected Sir, Please send me the technical question paper of ONGC of mechanical branch.I m in urgent need of it. ONGC3
difference between antifriction bearing and journal bearing  1
 
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