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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is piezoelectric transducer?give an example in power plant n state its principle?

Jindal,

2595

what is the formula for changing Range of Transmitter from X mmwc to some Y mmwc with respect to DCS NCMH flow range from x NCMH to y NCMH?

HCL,

1 5646

i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 5636

can u plz send me technical questions asked in SCHNEIDER ELECTRICAL technical paper?

TCS,

4731

What is negative range in transmeter?

TCL,

1 6596

What is DeltaV?

2 12813

what is the full form of psig.

8 25113

how to measure level under ground tank ? which type of transmitter very accuracy ?

Biocon,

3 9133

With N nodes and B branches what will have a network ???

BSNL,

2024

Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

Adgas, GAIL, Oil India, ONGC,

2346

Can you tell me how we will select RTD and Thermocouples for Temperature applications. I.e How we will choose accurate one for a specefic operation if both having same ranges

Nippon,

3 8636

what is different between 2,3&4 wire rtd and how much maximum distance using plc to field.

2777

what is the difference between profibus and controlnet networking.

HZL,

3223

how to check diode wheather it is working or not by using multimeter?

3 7690

wht is mean by dpt(differential pressure transmitter)

1 5506

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Un-Answered Questions { Instrumentation }

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

2178

How to fix back the valve actuator stem

2058

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10710

What is three element in drum level?

1398

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

1953

whats the abbreviation of IOP? is it instrument of power or input open problem?

1167

what is your eligibility criteria for freashers?

2139

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

2734

Explain the difference between mmwc and mmwg?

5669

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5457

What are different types of control valves?

1601

When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

1820

what is cold loop? difference between hot and cold loop?

2242

Why rdt and thermocouple both give different output .and one things more, how to generate ohm or mili volt plz mail me merajalam143545@yahoo.com

2806

where proximity sensor installed on tank in loading arm application

2267

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