Answer / pvl

This depends on the design of the turbine. I worked with turbine with 4 critical speed bands. It is the natural harmonic frequency where there is maximum vibrations in the turbine. These speed bands can be more than one. Length, weight and steam entry type are the factors which decide the critical speed bands in a turbine.

what do you mean by smart instruments?explain with example

4 Answers  

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The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

0 Answers   Reliance,

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IF TX SHOWS SLOW RESPONSE, WHILE A CLOSE LOOP AND WHEN WE PUT THE CONTROLLER ON MANUAL THE PROBLEM RECTIFIED, SO WE CAN SAY THE PROBLEM IS IN

1 Answers   IFFCO,

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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

0 Answers  

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Why we use mmwc unit for pressure

3 Answers  

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What is the difference between relative vibration

4 Answers   Desein,

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what is the basic working principle of I/P and Positioner in any control valve.

12 Answers   Essar, Visa Steel,

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what is the resource block mode in foundation field but ? what is advantages for this

1 Answers  

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Why we not use 2-20Ma or 1-20Ma

5 Answers  

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What is difference between Ionization heat and bimetallic heat

0 Answers   KOC,

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A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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