what is the T/C & RTD mesuremaint?

3 Answers  

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why is negative range given to measure the steam drum level

2 Answers   Jindal,

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what is corrective maintenance , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

1 Answers   Cisco,

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Draw a great bridge circuit.

0 Answers   CCIE,

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I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

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What is the differences of Level swich( LS ) and Level Transmitter(LT)

2 Answers   Hi Spectra, Sipra,

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hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

0 Answers  

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What is the difference between a double acting and single acting positioner? what type of valves use single acting positioners?

1 Answers   AquaTech, NamPower, Samson Resources,

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Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.

6 Answers   Honeywell,

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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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Why we use negetive (-)voltage in vibration system

4 Answers  

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