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

Instrumentation Interview Questions

Questions Answers Views Company eMail

why can't we use 5-20mA standard or some other instead of 4- 20mA?

Emerson,

6 15169

Which language of programing is popular? how can i learn it ?

2154

suggest a sensor to measure rapidly varying temperature?

1 4245

please tel me the calibration of pneumatic controler.

2151

how pressure reduce through pressure control valve? suppose we have to reduce 20 kg pressure to 10 kg pressure , then what we do ? open the valve or close the valve , initially it is 20 % is upon ( for ur knowledge ).

TATA,

4 8188

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

Bharat Biotech, TATA,

1 3277

When cryogenic control valve will be applied?

1 4201

wht is dcs architecture ? can u give example?

3 9509

pressure switch range 0 to 2bar.i have to install from ground level to 5 meters height.what is the formula the to increse the range ? and every 1 meter how much pressure should be add ?

3 6318

My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

Asian Paints, TCS,

5 10214

Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

QAFCO,

1 9442

What is cable size for intrenal wiring in DCS or PLC ,from any card to Terminal amd Why

2 10032

what is plc communication?

Siemens,

2 6323

what is pressure control

GNFC, IBM, Privi Organics,

1 2910

What is the difference between PLC and DCS?

Honeywell,

4 14444

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Un-Answered Questions { Instrumentation }

What is the diffrence between ff tx and non ff tx

3187

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

2770

WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

3540

How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

2318

Specify for Cables - Flame Retardant and Fire Resistant?

2042

how to design orifice plate?what is the equation?

2054

What is the difference between modbus,fieldbus & profibus

2422

1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

2230

What is PDS and PDMS ?

2159

what is the input to be given in digital flow meter during the the calibration time?

2226

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

2671

Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

1992

What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

2080

what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

2323

what is the procedure of belt scale calibration?

2440

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