Answer Posted / kesava reddy .g
Normmally PLC is Programmable logic controller used to
automate the process / machines to reduce manual
interactions and to increase the productivity and quality.
| Is This Answer Correct ? | 12 Yes | 0 No |
Post New Answer View All Answers
What is eddy current? Describe the operating principle of proximity probe.
all questions related to instrument technician in any offshore oil and gas company.
I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.
In which principles tx ,pressure gauge,Temp gauge,control valve works?
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
why I need valve guard and whats different between guard and positioner ??
how to calculate control valve bonnet size?? or how to select its material?
Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose
send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com
When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.
Explain how thw analog to digital converter works with the circuit diagram
What is instrumentation control?
Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?
Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?
i need some objective type questions in instrumentation