Answer Posted / gnb
First I have explain about Loop Check. Loop check means
that we have to check the functionality of Field
Instruments to DCS/PLC.
For Valves,you have to simulate the value from DCS/PLC in
step by step(0%,25%,50%,75% and 100%).Valve actuation to be
confirmed by actuator Scale which is in the Valve.
| Is This Answer Correct ? | 21 Yes | 0 No |
Post New Answer View All Answers
What are advantages and disadvantage of the ac supply load cell?
What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?
What is 1:1 redundancy ?
i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....
What is difference between ESD and PLC please Explain me clearly.
how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?
what is the minimum power (P=VI)to produce a spark?
how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744
Capacitance, resistance ( colour coding ), parallel & series circuits.
Can anyone send most commonly asked interview question in Oil & Gas industry
Why flow/pressure transmitter before control valve?
Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?
what is the input to be given in digital flow meter during the the calibration time?
What is the Working principle of Dozing valve?
What is the difference between mmwc and mmwg?