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I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
IOCL,
2116Is there any temperature compenasation for the air flow from FD fan & SA fans which supplies air to the Boiler?
2 6744We have ZR22G-100-S-A-E-T-T--E-A/CV/F1 Model Zirconia Oxygen analyser which is Yokogawa make. I kept the analyser in Flue gas path at Air pre heater area. My plant is 7.5MW Biomass power plant. For a particular fuel, Coconut Husk which contains Sodium and Potassium chlorides iam not getting proper reading, Analyser output always Zero. I calibrated the analyser and it is OK. For Other fuels like Wood chips, Cholam waste, DOB, Groundnutshells, Ply wood waste and all iam getting actual percentage of Oxygen. What is the main reason behind this draw back?
2 6342Is there any interfacing sofware to build communication between a PC and ER300P model L&T make trivector meter via RS485 port which is available in the meter and is there any data acquisition card available to store the acquired data from the meter into the system
12 22631i have calibrate rosemount make level transmitter , wht can i do ? my tank capacity is 30,000 liter
9 18267how can i calibrate E & h make conductivity transmiter . unit : mocro siemens Range :0 to 100 micro siemens sensor : capacitive type
1 5822hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???
2042how manys ways dp transmitter can be calibrated having range of -150 to 400mmwc,what side pressure u will apply?
3 8287how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?
2 7420How to work & calculated output of the Derivative action in pid controller (Explain Derivative controller)
2152Post New Instrumentation Questions
How to calibrate Field bus transmitter? procedure ?
What is the purpose of the analyzer in petrochemical plant?
hi! i want to know about mpse exam.
how to calibrate steam control valve in steam turbine
1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.
There are many type of control cable like pair,core,tried, What are defination each one
we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.
draw the block diagram of a level transmitter ?
what is actual drum level and compensated drum level?
Tr. Wiring for calibration.
In turbine what does term CDP, NI, NH, HSSOC means.
why we are using digital signals for I/O & how to measure this signals is getting or not ?
how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?
How the warning lamp of a charging-system is activated ?
we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.
