Transmitter reading is zero but in DCS showing one Bar what is the reason ?
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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?
How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?
What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?
What is difference between differential pressure & delta pressure?
What is PDS and PDMS ?
Is there any relation between Artificial Intelligence and Instrumentation?
give eg of how I/P is used in control loops
on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
With N nodes and B branches what will have a network ???
Explain how thw analog to digital converter works with the circuit diagram
How is PH sensor works ?
Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.
any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com
What is heating effect?