Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

0 Answers  

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what is the deference bitween DCS and PLC SCADA HMI System for Power Process Industry.

1 Answers   UltraTech,

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Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 Answers   IOCL,

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Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

0 Answers   ABB, Jindal,

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how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?

0 Answers  

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can we use flow transmitter instead of level transmitter?

7 Answers  

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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what is positive feedback and negative feedback?

2 Answers   CEPC,

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how to connect the HART protocal with control valves

1 Answers  

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If the average power during generation is zero, why do the analog meters have + and - ?

1 Answers   Siemens,

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what is the use of shield cable?

2 Answers  

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which type of filter gives the constant phase characteristics?

0 Answers  

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