What is cavitation. what is the effect of it on control
valve and how is it prevented.
cavitation is inlet of valve pressure is low of vapor pressure
is called cavitation. damage the control valve and high noise produce. hard trim material used.
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What is the working principle of oxygen analyzers(zirconium oxide type) used in CFBC boilers?
3 Answers Bajaj, Kohinoor, Wartsila,
1. what is 3 point calibration & 5 point calibration? 2. If we use hart communicator to set the LRV & URV of a smart transmitter, did we calibrate the transmitter? why? 3. Make a complet list if meterials needed to properly connect a pressure gauge to a steam pipe using 1/2 inch stainless steel tubing. The gauge connections is 1/2 inch NPT-M and the steam pipe tap has a 1/2 inch female coupling, compression fittings are use. 4. What are the tools in loop checking? 5. What would the ISA symbol of a square root extractor look like? 6. What would you do to completely prepare for the configuration? 7. What safety measures must you undertake when doing configuration? 8. what are the two most commonly use programming languages used when we configure a PLC? 9. What would you do if you accidentally skipped a step in the configuration procedure? 10. How would you know if the configuration were sucessful? 11. Name at least 3 selections available when we configure the burnout protection of a controller?
3 Answers EI Electrotechnical Institute,
What do you need to consider when installing a flowmeter
what is written on orifice plate?
what should be the distance of vibration sensor & to the point where vibration to be measured Ex turbine axial displacement
WHEN DO WE GO FOR FMCW TYPE RADAR & PW TYPE RADAR ?
should I use Hydrostatic Pressure Transmitter for measurement of DENSITY of filled tank ? If YES then please explain how.
Pl send the model question paper of mahagenco account officer post
how to calibrate flow transmitter
What is the expansion of RADAR? How it works?
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
What is the maximum operative of Drive ?
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