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 5565

When LP SURGE happening in compressor

KNPC, KOC,

3 7682

What is possitive and negative feedback?

KNPC,

3 7583

What is PID tunning

EID Parry, MFL,

2 6333

Where we r using split range and ratio controller?

EID Parry,

1 6607

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,

2030

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

Hamsco,

2099

What is the start up procedure of desalter

Reliance,

3681

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

1 4015

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

2 5263

what is working principle of vibration prob

3 6791

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

1973

What is the use of GMV in turbine?

Hamsco, Maruti Suzuki,

4435

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

Hamsco,

1909

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

Hamsco,

2003

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Un-Answered Questions { Instrumentation }

What is sensitivity in vibration probes..?

1646

I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

3830

Capacitance, resistance ( colour coding ), parallel & series circuits.

2221

There are many type of control cable like pair,core,tried, What are defination each one

2154

How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?

2022

the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove

1699

What is voltage regulator?

1104

In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

2025

Explain Gas Turbine startup and shutdown sequences

4321

why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .

2884

What is the purpose of LO Overhead tank in turbines.

2008

Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

3111

How u measure the massflow in orifice flow measurement techniques

1407

How to change dcs card in online. (Dsc is maxdna)

2734

What is Cavitation in a control valve?

2063

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