Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

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

1 6714

why we use -ve voltages in vibration prob?

1 7848

how do calibrate the valves.. with clear manual

Essar,

2026

how can check the loopchecking for valves?

3 11479

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.

2308

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 8037

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

1 3451

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 7722

How to calibrate Field bus transmitter? procedure ?

Parco,

2279

difference between transducer and converter in instrumentation

4 17495

difference between vaccum and draft

1977

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

Emerson, Jindal, JKPM,

3 28435

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

3 10130

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 9982

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

IOCL,

5 11828

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Un-Answered Questions { Instrumentation }

A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

1295

What is intrinsically safe system?

1080

If P will increase then what will happen with PID?

5976

Why plc require in analog input 4-20amp & 0-10 volt?

1073

pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

3073

What are the application of bernoulli’s theorem?

1092

How RAL(Rotary air lock)works in cement industry?

2439

What are different types of cable?

1042

send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

2156

I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

2008

In turbine what does term CDP, NI, NH, HSSOC means.

2499

What is the purpose of the analyzer in petrochemical plant?

3819

How many types of sensor

1567

model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

2278

What is rang ability?

2230

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