what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
1513how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?
3202I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?
1737Why DP transmitters are subjected to high static pressure test of 100 bar. Though they will be used for very small pressure range
HPCL,
4 8393How to measure density of oil in your kitchen. i.e indirectly to verify the quality of oil using min. gadgets available in the kitchen/house.
HPCL,
1 3677Post New Instrumentation Questions
In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?
what is effect of specific gravity in differential level transmitter , explain formula related with this .
What are the types of control valves available
why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .
what is RTV function in in process control?
Whatis the reset ofset and control system in instrumentation
How to calibrate an pressure gauge with yantrika test bench?
I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID
any body please send me the old question papers of ongc test.
what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?
What is the use of temperature compensation?
Calibration procedure for Electro magnetic Flow meter
How to calculate mmwc values into tonnes?
the 3 most common transmitter protocol being in refinery or qatar gas and aramco.
In apron feeder how TPH is calculated?
