Answer / abhik sengupta

Two types.active and passive transducers

Answer / goutam mishra

As per the application demand we could use NPN or PNP,these two types of transducer.

can we control operation of PLC from operator station?

3 Answers  

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What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers   Hofincons,

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what is isloted barrier how it works and what are the main purpose.how it make safe area.

0 Answers  

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What is Fieldbus?

3 Answers   NSL,

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What is an SCR?

4 Answers   GAIL,

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On liquid service if PT Head is 18 meters. How much pressure will be exerted on it. If Transmitter is not in service?

1 Answers  

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what is the difference between AUTOMATION AND INSTRUMENTATION?

7 Answers  

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what is sil (safety integrity level

0 Answers   Essar,

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how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

0 Answers   Adani Power,

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What information needs for Control Valve "sizing"

1 Answers   Qatar Petroleums,

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DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

0 Answers  

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What is the principle of a Pressure gauge?

2 Answers   CCIE,

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