Answer Posted / mahad83

Please send interview questions(instrumentation) to my mail id:

mahad8331@gmail.com

Thanks

How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

2009

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What are the type of bonnets in the control valves?

1410

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what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1312

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Linear amplifier.

1538

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any questions on motor and energy conversions machines?

1769

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Definition of reverse and acting controllers:

1814

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wich is coming the first HAZOP OR SIL

2309

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WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1538

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Explain the burnout feature.

592

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I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

1459

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Draw a group of instruments interlocked to a Pump & Motor?

635

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i need some objective type questions in instrumentation

4470

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where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3053

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

1881

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how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2246

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