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

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 6173

What is megering????

2 15344

waht is difference between pressure transmitter and transuducer

Gasco,

4 7528

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 ?

1908

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

1 5433

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

JK Paper,

2 6633

How does milli volt is created in themocouple?

Jaypee,

2 5985

How does pyrometer works?

1 7387

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

Shell,

4 9055

What is Process portal A(PPA)?

ABB,

1 5720

How Many Slave Can be used in one slave ?

2 5257

what do you mean by cathodic protection?

Saipem,

1 5686

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

Accer, Reliance,

2105

what is the difference between transmitter and smart transmitter ?

Aditya Birla,

4 9040

what is loop folder?

Bapco Bahrain Petroleum Company, Hyundai,

1 25728

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Un-Answered Questions { Instrumentation }

What is the procedure of calibration of Load cell?

1865

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

2679

what is function of SCADA , and how is it work, explain with difination

2299

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10671

How to check vortex flow meter is in good condition while we do not having calibration setup?

8773

Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3868

what is easiest way to read STL language in PLC?

3089

What is 1:1 redundancy ?

2328

How to Calibrate Radar Level Transmitter in Field

1186

how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

2256

how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1837

how to work MIL contol valve posistioner ?

2086

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2282

Do you have reference list?

1788

what is cems analyzer explain with principle and drawing ?

2297

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