Answer / nilesh

Temperature close loop needs temperature sensor(
RTD,Thermocouple etc),controller ( Local/DCS/SCADA)and
final control element ( Control valave,Heater etc..).We
have to give SP to controller which measure the temperature
with sensor and actuate final control element as per
requirement.

The DCS stand for________________________. it is composed of the following major components: a:______________ b:______________ c:______________ d:______________

2 Answers  

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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

0 Answers  

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how to derive kg/cm2 to mmwc? complete derivation.

11 Answers   L&T,

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If a transmitter is installed 10 m below its tapping point how much pressure exerted if fluid is water?

10 Answers   QAFCO,

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How to force the bit in GE Mark V?

1 Answers  

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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 the potential contact / output??

1 Answers   Vasava Engineering Private Limited,

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Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

0 Answers   IGL, Punj Lloyd Ltd, Shapoorji Pallonji Group(SPCL),

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What is the working principal of Mass flow transmitter?

1 Answers  

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what do you mean by Loop checking ? What are the cold loop check and hot loop check? what are the difference between these two loops?

1 Answers  

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where cn i find the previous years question paper for psu exam???????//

0 Answers  

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what is the calibration standard for pressure and differential pressure transmitters?

1 Answers   Thermax,

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