Answer / john

During the design and engineering of a process plant, a
good
designer should plan for _the process requirements_,
_client specifications_ and
_fundamental_ aspects of the plant

We are used CENTUM CS3000 of YOKOGAWA. please tell me how to simulate wihtout FCS and vnet.

1 Answers  

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if drum level is low what is interlock? i mean we put interlock to fd fan or id fan ?

4 Answers  

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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

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what is meant by Valve reversibility?

2 Answers  

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CAN WE CALIBRATE LEVEL TRANSMITTER USING HART COMMUNICATOR WHEN WATER LEVEL IS PRESENT IN THE BOILER SHELL?

4 Answers   Chemin, Emerson,

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why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?

3 Answers  

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Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

0 Answers  

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without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

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why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?

5 Answers  

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What is the difference between a PLC (Programmable logic controller) and DCS (distributed control system)?

7 Answers  

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I am going to attend a recruitment drive by Schneider in 2 weeks. They have a technical test in the beginning. I would like to know what are the areas i should concentrate on while preparing for the test. My major is Electronics and Instrumentation.

1 Answers  

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what is start up vent valve ? why it is used in boiler?

8 Answers   ACC, Bhushan Power Steel,

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