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 Categories >> Engineering >> Instrumentation
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Question Asked @ Answers Views     Select
what is the working principle of dis-placer type level transmitter    0  22
how to change 4 wire rtd transmitter into a 3 wire rtd transmitter? as our transmitter is working for 4 wire rtd, what should do for working on 3 wire rtd transmitter    0  22
why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.    0  25
Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???    2  50
Why 4mA-20mA current loop selected as standard ???    0  33
what is the difference b/w normal thermocouple and skin type thermocouple?    0  26
what is use single seated and double seated valve?    1  41
What does it mean 3/2 sov    3  148
hi... i'm about to learn siemens plc i came across following question in my mind ... plr ans 1. hw motor operated by plc 2. hw drive operated by plc explain dis by both ladder logic diagram and hardware config , connection    1  44
Differentiate between PLC, SCADA and DCS systems    1  206
What is open loop checking and close loop checking    1  210
how to calibrate motorized operated valve?    1  137
What is the difference between fiber optic cable & Ethernet cable    2  322
How do you troubleshoot accelerometers used in Vibration monitoring/tripping    1  115
What are the different types of thermistors used in industries? How to the operation of typical thermistor?    0  83
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Un-Answered Questions
 Question Views   Select
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates? 742
What is the difference between ff transmitter and non ff transmitter 677
what is function of SCADA , and how is it work, explain with difination 554
What is zero elevation and zero suppression? 394
how to calibrate corollaries (Mass flow meter)? 542
how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw 839
sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at 842
What is the differerence between hysterisis and linearity. 448
what is the input of ph sensor and meter during the calibration time and what is the output? 532
How many are the types of instrument cables in terms of No. of pair. 513
you are on site,the plant trips,you are approached by operations,what do you do? 452
Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function 660
send me last 5 years questions asked in rrb chennai, for section engineer 488
How to convert Differential pressure to flow in TPH 221
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