Is there’s power on the bus (if so, state whether on the
signal bus, or on a separate in the following:
a) HART
b) Profibus DP
c) Profibus PA
d) DeviceNet
e) Foundation Fieldbus
What is zone,loop/fire alarm system?
WHAT IS THE MASS FLOW FLOW METER
How does one detrmine the direction of movement of core in an LVDT?
why we go for pcbs
What the basic of communication?
one rtd sensor which is connected at middle of distillation column where actual temp. is 100deg but when we tight this sensor at thermowell end it goes down to 90 deg & when remove from the thermowell(but sensor end dipped in well) showing actual reading, what is reason?
i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?
Full form of KKS when use DCS.
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
What is DCS?
4 Answers GAIL, Sabic, Trident, Yokogawa,
what diffrence b/w plc s7200,300,400
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