Answer / prem

accelero meter or displacement meter works on maintaining particular gap voltage. as long as gap voltage is adjusted and maintained in between -9 to -11 vdc. sensors are in healthy condition. If the sensors moved then positioned alarms will be available in HMI and its start permissive in most of the cases.

Explain Three way boiler.

2 Answers   L&T,

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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Can a Differential Pressure Transmitter be used as a normal pressure transmitter??

3 Answers  

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Explain about the leakage class of the control valves

0 Answers   CCIE,

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How to work & calculated output of the Derivative action in pid controller (Explain Derivative controller)

0 Answers  

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all questions related to instrument technician in any offshore oil and gas company.

0 Answers  

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difference between repeatability and reproductability

1 Answers   IOCL,

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What is difference between scada and virtual instrumentation?

1 Answers  

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how to trim the pressure transmitter ?

2 Answers  

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Can anybody tell me application of PLC,DCS,SCADA.

3 Answers   Reliance,

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

0 Answers   TNPL,

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