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,

2184

What is impulse line size

IFFCO,

3 8120

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

IFFCO,

1 6036

IF PLC POWER FAILURE THEN WHAT HAPPEN?

IFFCO,

2 7353

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 6335

why use on -off control valve in glove valve

1 4794

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

Kentz,

2061

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

2 6421

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

HP, Siemens,

2191

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

Bengal Energy, Lanco,

2 29390

What is PLC(programmable logic control)?

1 5606

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

1 8760

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,

1907

tell about various protocols used in different plcs

Emerson, Samtel,

3 9165

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 3639

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Un-Answered Questions { Instrumentation }

Introduce yourself which is not present in your biodata?

2390

what are procedure of sox-nox calibration

2884

how to calibrate steam control valve in steam turbine

3285

How earthing can be checked????

2365

what is cems analyzer explain with principle and drawing ?

2304

Difference between dcs and plc including date processing and architecture.

1089

What you mean by multi stage control vavles?

1764

how to calculate the total flow in square root

2328

how do calibrate the valves.. with clear manual

2037

where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

9853

How to calibrate an pressure gauge with yantrika test bench?

2852

How to calibrate Magnetic flow Transmitter in Field

1238

-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.

2387

Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

2138

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

2107

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