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

Instrumentation Interview Questions

Questions Answers Views Company eMail

i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?

QAFCO,

2216

What is impulse line size

IFFCO,

3 8259

Absolute pressure is 700psi,what will be the gauge pressure?

IFFCO,

1 6108

IF PLC POWER FAILURE THEN WHAT HAPPEN?

IFFCO,

2 7456

If the on Of the DO module is off in the System cabinet, then what is the Procedure to check weather the Module is working or not.

Honeywell,

2 6441

why use on -off control valve in glove valve

1 4876

Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

Kentz,

2107

What is Loop Test & What is Loop Checking? Please i need answer for these questions.

2 6536

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

HP, Siemens,

2245

what is the working principle of hydra step(electronic level indicator)?

Bengal Energy, Lanco,

2 29500

What is PLC(programmable logic control)?

1 5691

what is purpose of three way manifold valve using for dp transmitter

1 8863

PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

MSL, SRAAC,

1956

tell about various protocols used in different plcs

Emerson, Samtel,

3 9301

i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 3705

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Un-Answered Questions { Instrumentation }

Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks

2306

how many types of preheaters are in cement industry & what r they can any body explain?

1758

we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

2607

can you send remote seal interface level transmitter calculation steps for oil water saperator.

2615

what are the use of belew gear in general ??

2001

how to tune siemens sipart electro pneumatic positioner..plz tel me..

2139

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

2768

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2779

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

3460

Identification of ss fittings, pilot valves, relief valve.

1828

Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

3209

How to convert Differential pressure to flow in TPH

2234

How to calculate P,I&D value in PID controller ?

2135

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

2178

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

2226

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