i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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when we calibrate the DP transmitter at that time which matrial we used in pressure pump?

4 Answers  

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why magnetic flow meter is not used in thermel power plant operation

2 Answers   JK Paper,

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what is the meaning of Domain server?

2 Answers  

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Give me a simple formula to calculate the bore of orifice plate with datas avilable instead of BS 1040.I want to calculate the approximate bore size only.

0 Answers  

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What is cold junction compensation in thermocouples? How is it achieved?

4 Answers   Honeywell,

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how in the 2 - wire transmitter, 24v supply and the 4ma signal gets in the same path?

1 Answers   Yokogawa,

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what is function test.

1 Answers   Takreer,

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what r all the closed loop used in boiler? for this related tell some web address..

3 Answers  

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Dear all... I have 1 0-400 duplex type RTD, I connected the A side to the temperature indicator and B side to the PLC panel, but when I have observed then found that The PLC side temp has the variation. and it was distub to other RTD temp also. so what can I do.

1 Answers  

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the output of the common trasmitter protocol in qatar gas are the following

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