Answer / mnb

these logics are mainly seen in f&g system where signals from 2 sensors out of 3(2 out of 3) reaches preset value the system should shutdown or should do the actions programmed.
this can be used with any transmitters. Its main aim is to avoid unwanted shutdown.

can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

0 Answers  

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in sports(eg,cricket) what is the technique for measurement of speed of the ball thrown by the bowler.

6 Answers   BEL, PSU,

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what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

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why we are using analytical instrument in plant ?

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How to calibration a control valve?

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draw shematic diagram of c/v positioner(smart type)?

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

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I 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 Answers  

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