Instrumentation Interview Questions
Questions Answers Views Company eMail

What are the key components of control loop?

1 5544

what is the meaning of wet leg & where is it used?

1 6614

What are the reliability data ,like failure rate etc,for bently nevada systems & vibration probes.

1 3084




please anyone suggest me some good intools training institutes with their place and contact nos.

Thermax, ABB,

1 1928

square root calculation for dp flow transmitter? give me a explanation with example

3 25707

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

KNPC,

1 2262

what happen if i install my pressure transmitter below the elevation of pipe in natural gas service. Also support your answer

C2C,

3 4167

What is Cryogenic?

2 2448




What are the automatic controller MODES?

DEWA,

2 6624

what is coriolis principle for mass flowmeter?

ABB,

4 7516

why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

3396

I will attend an interview with GasGas company for a position of Instrument Technician ( Offshore )in next month can anyone tell me what questions they will ask. Thanks in advance.

RasGas,

535

how to use level tranasmitter in closed tank application.?

Dalkia,

3 3739

with the help of suitable diagrams different types of control valves

1 1916

if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter

4 6113


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Un-Answered Questions { Instrumentation }

Specific gravity.

453


which type of filter gives the constant phase characteristics?

607


in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

1523


What is heating effect?

747


What is the diffrence between ff tx and non ff tx

953


what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

797


What is Cavitation in a control valve?

527


why we are not using the turbine flow meter in the steam service?

703


If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

587


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

538


what is the difference between attemperator and desuperheater ?

390


HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

1597


State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

482


what is instrument philosophy

642


a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

808