Instrumentation Interview Questions
Questions Answers Views Company eMail

How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 3701

What is megering????

2 10257

waht is difference between pressure transmitter and transuducer

Gasco,

4 4418




There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

731

what is input and output cards of plc needs to be hot swappable mean

1 3731

why magnetic flow meter is not used in thermel power plant operation

JK Paper,

2 4097

How does milli volt is created in themocouple?

Jaypee,

2 3883

How does pyrometer works?

1 4554




Why we are using temperature and pressure as a reference when measuring flow of steam?

Shell,

4 5867

What is Process portal A(PPA)?

ABB,

1 3819

How Many Slave Can be used in one slave ?

2 2959

what do you mean by cathodic protection?

Saipem,

1 3635

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

Reliance, Accer,

1023

what is the difference between transmitter and smart transmitter ?

Aditya Birla,

4 5528

what is loop folder?

Hyundai, Bapco Bahrain Petroleum Company,

1 18647


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Un-Answered Questions { Instrumentation }

Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

847


what is The specifications for oriface instalation

987


Conversions

984


How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

1276


Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

832






1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

543


What is shielding effect?

1005


Describe the function of Accumulator into the Pump

738


Explain how thw analog to digital converter works with the circuit diagram

1460


HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

1029


what is the analog input , analog output , digital output, digital input geven to the MSSV , CBD, IBD , START UP VENT , BOILER FEED PUMP , AOP, CEP , ETC

1756


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

291


what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

665


which type of filter gives the constant phase characteristics?

944


Please can anybody help for control valve sizing step by step procedure?

932