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Instrumentation Interview Questions
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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,

1786

What is impulse line size

IFFCO,

3 7068

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

IFFCO,

1 5444

IF PLC POWER FAILURE THEN WHAT HAPPEN?

IFFCO,

2 6482

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 5410

why use on -off control valve in glove valve

 1 4135

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

Kentz,

1600

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

 2 5568

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

HP, Siemens,

1679

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

Bengal Energy, Lanco,

2 28231

What is PLC(programmable logic control)?

 1 4820

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

1 8029

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,

1526

tell about various protocols used in different plcs

Emerson, Samtel,

3 7744

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 2829

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Un-Answered Questions { Instrumentation }

how u choose thermowell lenght n pnumatic C/v size?

1661

Please can anybody help for control valve sizing step by step procedure?

1626

please send me the inteview questions in IOCL

1755

Why even multiple power supplu r used in instrumentation system?

4146

Explain about the leakage class of the control valves

1586




What is instrumentation instrumentation engineering?

628

in mass flow meter what is drive friquancy ?

1613

How ejector(or)evactor air pump is working in thermal power plant?

6041

IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

1933

What are the interlocks we have to check during the start up of LP/HP compressor?

1481

Give 2 application of quartz crystal used for process parameter measurement.

1573

In apron feeder how TPH is calculated?

1176

How does your previous experience relate to the job you are applying for ?

1552

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10278

What is difference between radial vibration and axial vibration explain in detail .

1157

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