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 6556

what is ment by PID controllers? explain with example?

2 6512

what are turbo generators?

1 3627

what is pneumatic control system?

APL,

1 5476

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

HPCL,

2499

what is HVAC?

1 5922

what is DCS and SCADA?

APL,

2 6339

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

1 5015

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

Jubilant,

3533

what diffrence b/w plc s7200,300,400

IFFCO, Reliance,

2134

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

1 6238

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

1 4405

What is difference between reset and initialization in industrial automation?

Marafiq,

1 4825

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

1 4542

i want use pressure transmitter for flow ,how?

Gasco,

5 10277

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Un-Answered Questions { Instrumentation }

Emergency Shutdown Systems/ Plant Shutdown System.

2328

What is the constant voltage unit?

1138

i want to find out iffco get test paper

13254

What is force balance principle? State some of its’ advantages.

1241

describe flow nozzel principle?

2577

how to control pid

1973

What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

3439

any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

2549

plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

2244

centrifugal compressor interlock? Tell me the parameter at which compressor will trip

3243

how to design orifice plate?what is the equation?

2107

what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

5527

can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

2492

What are different types of orifice plates?

1282

Why ac supply load cell is used? Can we use the dc supply load cell?

1121

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