what is the difference between plant earth and instrument
earth? and what type of cable( cable size ) used for both? and
why ?
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give eg of how I/P is used in control loops
Ega interview going on for power plant. Which type of question will asked. For questions
how does we do bench calibration of a differential transmitter.
Differentiate between ultrasonic flowmeter and radar type flow meter
why Fahrenheit unit of moistur analyzer transmitter
what is vfd(variable frequency drive)?type of vfd.
I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?
what is the principal of coriolis mass flowmeter
what is piezo electric transducer?its principle?
What is a snubber circuit?
What is PLC(programmable logic control)?
why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?
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