Un-Answered Questions { Instrumentation }

why is not useing in boiler skin thermocople

4525


How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

1919


what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

1628


please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

8201


What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

2489


pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

2658


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.

2214


I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

1885


How to check vortex flow meter is in good condition while we do not having calibration setup?

7499


What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

1635


How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

1791


What is the difference between uv and ir scanners? and what is the workig principle of both

1940


applications of plc in printing and packaging?

1668


List three types Level Gauges with their working principles

1638


List three types Level Switches with their working principles

1623