Instrumentation Interview Questions
Questions Answers Views Company eMail

how to commission furnace ( water heater)

Petrofac,

1474

Full form of KKS when use DCS.

2581

how to measure the output of RTD given the general formula of  rtd.  

2 4845

How to calculate the flow rate in Vortex flow meter?What is K factor?Can you give me an example calculation to understand the same as better?

npcc, Zadco,

1 3418

What is the potential contact / output??

Vasava Engineering Private Limited,

1 2376

How to convert 0-2500mmH2o into kg/hr? Or how to convert mmH2O into kg/hr,t/hr etc

2 32501

How many interlocks at turbine? Plz explain briefly

MRPL Mangalore Refinery and Petrochemicals Limited,

1504

In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 3639

In field side transmitter voltage droping here no loose connection then what will happen?

Edac,

2 3867

how eddy current loss in probe and induced gap voltage accros probe trip and shaft

Reliance,

1 3551

how to adjust relay in smart positioner ?

SipChem,

1 3089

HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

ABB, NTPC,

1777

How to do manual mapping in radar type level transmitter?

2 11482

What is first echo & echo window in radar type level transmitter?

1255

What is frequency factor in massflow meter? When using frequency output?

PCMIL,

1297


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Un-Answered Questions { Instrumentation }

How to erection of DCS Panel at site step by step

974


I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1547


what is KV and XV valve

1278


What is hp & mp seperator .& what is its working principle ?

1799


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

2247






Pl send the model question paper of mahagenco account officer post

2227


How works weighfeeders in cement industry? what is the working principle?

1497


How to fix back the valve actuator stem

1590


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

1721


anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

5523


field bus transmitter calibration procedure tell me

1319


Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

1475


What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

609


what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2038


can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

1572