Answer / narendra mishra

There is capacitive circuit inside the transmitter.sipmply make a circuit consists of a voltage surce ,a resistance and a capacitor.capacitance varies as pressure vary thus the current changes in accordance.

Explain the working of an enraf level gauge.

0 Answers  

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As an industrial instrument technician what we have to know?

3 Answers  

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What is full form of hart communicator?

2 Answers   KOC, UPL,

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Identify the electrical variable that is either directly or inferentially used by various instruments to determine the value of a measured variable.

4 Answers  

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how to measure the output of RTD given the general formula of  rtd.  

2 Answers  

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define feed forward control loop with example and drawing?

0 Answers   Honeywell,

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In field side transmitter voltage droping here no loose connection then what will happen?

2 Answers   Edac,

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please tell me five types of fault of control valve and positioners?please

1 Answers  

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how to check electrical health of vibration probe?

1 Answers  

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send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

0 Answers   HPCL,

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units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 Answers  

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what is bevel? why bevel required in orifice plate?

2 Answers  

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