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I wnat to practice more online type questions .so will you show them me to take a practice test?
1 2423need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate
1310the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove
1697What Is Pre- Commissioning Package +what is DCS & ESD Pre- Commissioning for Instruments Please explain your answer on practical ground base
1394A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.
1351A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
1399Post New Instrumentation Questions
What are the application of bernoulli’s theorem?
What is limitation of the ht.of the displacer of a level trol?
what is function of switch, and how is it work, explain with difination
Explain the working of an enraf level gauge.
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
Boolean algebra
while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?
how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line
please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...
What are the different types of thermistors used in industries? How to the operation of typical thermistor?
what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.
Where are oxygen analysers installed in cfbc boilers? What are their usual readings?
a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error
how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?
