Instrumentation Interview Questions
Questions Answers Views Company eMail

what is concept of field,control room area in transmitters?

1 4399

why we use -ve voltages in vibration prob?

1 5957

how do calibrate the valves.. with clear manual

Essar,

821




how can check the loopchecking for valves?

3 8695

SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.

1242

in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 5738

how to use K thermocouple instead E- type without compesation cable

1 1922

in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 5247




How to calibrate Field bus transmitter? procedure ?

Parco,

1156

difference between transducer and converter in instrumentation

4 11441

difference between vaccum and draft

910

why the steam drum and deaerator level transmitter range is in negative MMWC to zero

Jindal, Emerson, JKPM,

3 18709

why we are using 4-20ma why cant we use 4-40ma

3 7120

in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 7180

without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

IOCL,

5 7706


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Un-Answered Questions { Instrumentation }

Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

1102


What is mean by analytical instrumentation?

545


what about your moleg in pogrees with company

998


What is the diffrence between ff tx and non ff tx

1289


what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.

768






Speedtronic system .

774


pls give me presant awerness quistion and answer in my emailid.

1624


What is cut off relay? And why use in PLC and DCS?

291


What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

1007


How it the difference between force balance system and dispalacement balance system?

793


Draw symbols of the following :

850


Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .

1157


which type of signal used in instrument?

6808


what is the difference between Cv and air consumption? why the customer needs Air consumption details?

846


can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

850