in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

0 Answers  

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how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

0 Answers  

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

0 Answers  

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Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...

0 Answers  

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is any standard angle for thermowell mounting for horizontal and vertical pipe lines?

3 Answers  

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tell me the temp range of rtd?

8 Answers  

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what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

0 Answers   L&T,

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How to zero trim the level transmitter by using foundation fieldbus communicator.

2 Answers   Emerson,

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any thing about plcs?

4 Answers  

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can you tell me how many stages in steam turbine of 10 MW power plant

2 Answers  

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