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what is the difference between Cv and air consumption? why the customer needs Air consumption details?
1978How to consider the flow directions for control valve (Globe) Is the there any easy understanding in order to select the flow directions?
3 6679I have seen the Temperature element (T/C & RTD) installed in process line on 45 degree position, Why? What it mean? How many types of tapping position for temperature elements?
4 11781I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
2260Post New Instrumentation Questions
Manipulation of dead wt. tester double piston type.
please send data bank of quetions answers on analytical instrumentation.
why using negative supply for bentley nevada vibration system ?
How ejector(or)evactor air pump is working in thermal power plant?
I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.
Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?
what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
how to calibrate and troubleshooting of leveltroll?
Which type of pressure can be measured by these elements?
why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.
What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?
Question on maha cement
What is megering????
what is difference between fork type and capacitance type level switch. where it is using
any body please send me the old question papers of ongc test.
