if we mount flow tube in arrow direction then flow comes in negative & if we mount it another direction then flow comes positive,So what will be the problem

2 Answers  

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I have completed B.E. Instrumentation & control in 2009. i have 3 year industrial job experience in chemical plant.now, I want to join M.E. in external. so, Plese say easiet way and good institute name.

0 Answers  

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When a field input to plc is coming from 400 to 600 meters and the input is in 24 V DC? So signal cable of which cross section i should select for proper signal to plc?

5 Answers   Exxon Mobil,

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If mVolts can drop by resistance of wire as compare to mA, then how thermocouple mV reaches in CCR as accurate value?

7 Answers  

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Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

5 Answers   Air Liquide,

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Briefly describe instrumentation job

1 Answers  

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Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

0 Answers   CCIE,

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what is Pre- commissioning.

5 Answers   Saipem, Takreer,

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What is cable size for intrenal wiring in DCS or PLC ,from any card to Terminal amd Why

2 Answers  

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Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure?

2 Answers   SCS,

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hye SAM acn u send your e mail id, so that i can solve my query through e mail?

0 Answers  

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How to derive IO Count (AI, AO, DI and DO ) from a Field instrument (FI) Bill of Quantities (BOQ) given by client.

1 Answers  

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