what is the criteria to decide conductor size of a cable ?
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Explain what is meant by the term “FLASH POINT” of liquid?
What is the IEC Standard for PLC I/O Terminal wiring Procedure?
generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?
what is PID n give me brief info. about P&I&D.
While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.
What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD
the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)
Why 4mA-20mA current loop selected as standard ???
what is the calibration procedure for transweigh make weigh feeder?
what is pico fuse? how this different rom othe fuses and how to locate it inside the card?
In turbine, what does term CDP, NI, NH, HSSOC, means
1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC
0 Answers IOCL, Lakshmi Machine Works,