Answer / rajesh.kon

Control cable are used for to control the equipment like
motor, VFD, MOV from the control room.

it's normally 3 to 4 core cables.

Close loop and open loop diagram for instrumentation

1 Answers   Petron ltd,

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What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 Answers  

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if field commnictor 475 does not communicate with transmitter what will you do ?

4 Answers   Samsung,

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I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

0 Answers   BBS,

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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Control valve question what is the meaning of cauge.?what is the use of cauge?

1 Answers  

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in the pipe line if the control valve fails to respond to controller action,by what means we can stop the flow in the pipe line ?

9 Answers  

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what is diff between the centrifugal and reciprocating

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what is the difference between RS 232,RS 485,RS 422, how they different from each other

15 Answers   TCS,

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Why is the orifice tab provided?

0 Answers  

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where cascade loop use ?

0 Answers   KNPC, KOC,

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why we r opening HOT BYPASS valve during startup of a compressor?

0 Answers   Hamsco,

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