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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is plc? breif explain

APL,

3 6223

what is ment by PID controllers? explain with example?

2 6324

what are turbo generators?

1 3431

what is pneumatic control system?

APL,

1 5256

what is gas metering system? gas chromatograph? and gas compressors?

HPCL,

2388

what is HVAC?

1 5758

what is DCS and SCADA?

APL,

2 6102

whats the reason for control valve not installed -90degree (down position)

1 4826

What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

Jubilant,

3411

what diffrence b/w plc s7200,300,400

IFFCO, Reliance,

2023

What is the working principle of Dozing valve used in cement industry?

1 6066

If range of 3-15 psi, a multiplying relay with a 1:2 ratio would give what output pressure for 6 psi input?

1 4175

What is difference between reset and initialization in industrial automation?

Marafiq,

1 4627

If you calibrate a pneumatic pressure transmitter, how many adjustments are normally necessary or mandatory?

1 4369

i want use pressure transmitter for flow ,how?

Gasco,

5 9849

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Un-Answered Questions { Instrumentation }

Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

2243

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?

1887

Difference between dcs and plc including date processing and architecture.

1081

Explain plc level and its type?

1276

what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

1878

how radio frequency level probes works with its controller ? what is its principle ? pls give me brief explanation?

1844

hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

2068

what is scale factor of proximitor & unit of the vibration.

2072

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10674

I am teja. I am studying Msc(tech) Electronics and Instrumentation (3years course) in Andhra university. But my course is not recognised by UGC and AICTE. Please tell me the job opportunities after this course. And i fineshed PLC course in IGIAT ,Vizag.Also complted my short term coure in SCADA, Seimans WinCC in ATI,Hyd.After Msc can i join Mtech for good job? or phd. How i can get good job in INdustrial Automation Side. Please give replay.Because this is my life matter.

2028

What are different types of valves?

1243

Explain working principle of lvdt?

1039

we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

1660

what is maxdna ?. explain about the software details.

4321

How many interlocks at turbine side?

1874

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