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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is the absolute temperature

2 5671

When LP SURGE happening in compressor

KNPC, KOC,

3 7806

What is possitive and negative feedback?

KNPC,

3 7701

What is PID tunning

EID Parry, MFL,

2 6452

Where we r using split range and ratio controller?

EID Parry,

1 6703

Please any one can provide latest aptitude test,technical test and interview questions for tata consulting engineering (TCE) i need it asap thanks in advance

TCE,

2078

why we r opening HOT BYPASS valve during startup of a compressor?

Hamsco,

2167

What is the start up procedure of desalter

Reliance,

3744

IF I WANT TO BUY A THERMOCOUPLE THEN WITCH PARAMETER I LOOK

1 4130

if i want buy a pressure gauge then witch parameter i look

2 5360

what is working principle of vibration prob

3 6933

Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

2020

What is the use of GMV in turbine?

Hamsco, Maruti Suzuki,

4519

What are the error values can accepted in flow transmitter calibration?could u give any formula for this?

Hamsco,

1956

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

Hamsco,

2044

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Un-Answered Questions { Instrumentation }

What materials are used in thermo wells?

1238

what is the reason while warning lamp is on while the engine is cranking?

2224

1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

2736

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.

1407

What is 3 selection available when configure the burnout protection for controller

2751

how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?

2280

In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.

2022

What is heating effect?

2414

Calibration procedure for electro magnetic flow meter

2045

How do you identify an orifice in the pipeline?

1312

DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

1951

What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?

2537

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

2226

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5518

Where are oxygen analysers installed in cfbc boilers? What are their usual readings?

1587

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