Answer / mohammad sikandar

process control means measuring and controling of process
veriable like
level,pressure,tempreture,flow,vibration,qantity this all
those measure and give to out put to finel control.

Answer / chandra prakash

process control means control of parameters
(pressure,temp,flow,level etc)essential for any process.

Answer / c.r.r.nair

Process control can be described as the method of keeping the process within the specified boundaries controlling and monitoring the variations to the least minimum to achieve the optimum quality product.

Answer / manraj meena

process control means air,temp.,flow control.which uses in
process.

HELLO FRIENDS plz tell me which are the PROTOCOLS we are using in PLC

3 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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if i want buy a pressure gauge then witch parameter i look

2 Answers  

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how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?

2 Answers  

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why we cant transmit the dc current easily

1 Answers  

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what is loop folder?

1 Answers   Bapco Bahrain Petroleum Company, Hyundai,

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If we increase only P what will be controller action ?

0 Answers   IMECO,

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what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

0 Answers  

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Why using negative voltage in vibration measurement?

2 Answers  

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WHEN DO WE GO FOR FMCW TYPE RADAR & PW TYPE RADAR ?

1 Answers  

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what is DCS and SCADA?

2 Answers   APL,

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What is the purpose of LO overhead tank in turbines.

1 Answers   ADMA OPCO,

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