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

Instrumentation Interview Questions

Questions Answers Views Company eMail

hello i'am samad.Any one Can help me! How to calibrate Vaccum Transmitter DP Type range 0 - 50 mbar abs by hand pump calibrator.

Bharathi Cement,

4 5902

Why Pressure Transmitter is NOT installed before up-stream of an ORIFICE PLATE? in a flow measurement.

Mecon,

4 9018

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

Jaypee,

2495

What is the procedure of calibration of Load cell?

1922

How works weighfeeders in cement industry? what is the working principle?

2041

Describe the function of Accumulator into the Pump

1928

Which mechanical device is used in pressure gauges to reduce pulsating

4 7278

what effects a surging can produce in the compressor

Nemat,

1914

NSV type probe stands for

Qatar Petroleums,

2385

what is the function of 3 way manifold valve in a closed loop system?

Emerson,

1 13078

what is the difference between laminor flow and turbulant flow

Invensys,

2 6961

What is the main three inputs of DCS?

1 6630

What is the meaning of Feedback? How many types it is? Explain it?

Bharathi Cement,

2 5942

What is PDS and PDMS ?

2159

Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

2287

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Un-Answered Questions { Instrumentation }

-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.

2451

what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

5398

Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1931

What is rang ability?

2338

i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

2047

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2779

where cascade loop use ?

1706

How to calibrate Toxic gas detector?

1712

Explain types of valves?

1052

how to measure oxygen which methods are using?

1990

What are the interlocks we have to check during the start up of LP/HP compressor?

2003

I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1794

What is first echo & echo window in radar type level transmitter?

1688

How to convert mmWc(mili meter water colam) to tph(ton per hour)?

981

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

2458

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