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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is loop checking ?

Kharafi National, Petrofac, Samsung,

10 113603

how is work pressure switch& level switch?what is the principle of this?

Binani,

2666

What is NAMUR standard and why its allways reletad with Sollenoid

2 37402

1,why we use 4-20 ma output of all instrument qhy not use 0- 20, 2,what is the different between PLC & DCS. 3,how can we meaure maximum span of new flowmeter if not given any information.

Reliance,

4 12568

how can we calibate ph meter. how can we calibrat conductivimeter how can we calibrat massflowmeter & it s working.

1 3414

how to install the Ph and Conductivity analyser? is there are any procedures which has to be maintained.

2 5906

What is the difference between local indicator(flow) and flow indicator?

2 7984

What is the DIfferences between SMART transmitters and PROFIBUS DP/PA Transmitters?

4 11152

how we can calibrate an Interface level transmitter online

L&T,

2 9204

i am having information technology branh ....... can i prepare for psu exam

2229

What is an antisurge control system, how it works?

3 17315

What is the main difference between the terms instrumentation and Automation?

5 9650

Hi, I'd like to know the purpose of MOS (maintenance override switch). At site, these switches are installed in a stanchion with the transmitter (connected to ESD). thank you.

Adani, Adani Wilmar,

3 36053

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

Essar,

2488

what's the criteria of using over range protector when installing Pressure Gauge

1 4888

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Un-Answered Questions { Instrumentation }

my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

2285

applications of plc in printing and packaging?

2213

What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

1927

Explain the difference between mmwc and mmwg?

5676

what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

1991

What are different type of instrument cable

2283

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

2106

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

2163

how pressurize drum calibrated ?

2057

, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

8105

Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

1105

what are the diff. in servo and regulatory control?

3984

HI friends.I am Surya a BTech in Electronics and Instrumentation Engineering.I am going to appear Relince Industries Ltd all India writen test very soon. so plz help me by sendind the probable questions about my subject.My mail ID is surya.barik@gmail.com.

2281

HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

2305

What is the purpose of bypass valve across AS valve.

2110

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