Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the name of thermocople element cable from field to pannel end?

3 4601

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

665

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 9936




what is the difference between cold loop and hot loop

2 8789

why we use 24v dc in instrument rahter than 230vac????

4 14537

why we use 0.2 to 1.0 kg/cm2 output in control valve

GNFC,

4 7682

in which application we use bigger size actuator

5 4346

diffrence b/w accuracy and precision?

HPCL,

4 4740




can we connect instrument earth pit to electrical earth pit, if not why?

2 12654

If we interchange HP and LP tapping in drum level measurement and reverse LRV & URV correspondingly.What is the difference between the normal tapping(HP,LP) and reversed tapping(LP,HP)?

2 9846

What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

1284

what is control valve input and out put

Nirma,

9 11987

what is thermocouple output

IPCL,

7 5993

What is principle of ultrasonic level transmitter?

3 6612

what is formula for calculating flow if i have pressure and pipe diameter?

1102


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Un-Answered Questions { Instrumentation }

Hello to all....I am an Instrumentation Graduate and i am passed out in this year only.. I am unable to find the job in my core instrumentation.. so any boby tell me how to and where to search the job....please...and also tell me i there are any courses offered in the instrumentation stream so i can do it... you can send your suggestions to my mail-id i.e Ganesh20084u@gmail.com ... please..

579


What is frequency factor in massflow meter? When using frequency output?

349


How to calibration coriolis flow meter?

117


Specific gravity.

503


What is Difference between Bench Set & Operating Range of Control Valve?

2023


What is megering????

7394


any body please send me the old question papers of ongc test.

710


what is the calibration procedure for magnetic flow meter @ onsite

172


What is the difference between PLC and DDC?

344


basic connection and principle of axial shift sensor n differential sensors in tubine describes n draw......

745


How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

596


why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

3646


where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

6175


Identification of control valve parts.

495


How r the calculation of process line mpm.

2738