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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is NODE in DCS?

2 9951

Witch type cable use for rtd ,why?

Sugar Factory,

2 4916

Give Detail information about plc,dcs,and scada system?

1742

loop chech tools list

BAP,

1 3160

key phaser where is use and work

BAP,

1981

field bus transmitter calibration procedure tell me

BAP,

1832

Need Intergraph softwares like SPI(INTOOLS),sp3d,PV ELITE, SP P&ID. CONTACT : logu.2211@gmail.com (8867825756)

GE,

2202

what is the pressure in the tank when its level of liquid is 1.5 meters when its total capacity is 2 meters

Engro,

2 3662

what will be the pressure in tank which has the total level of 2 meters and is filled 1.2 meters ?

Engro,

4 4982

How much Resistance Show by RTD(PT100) when it is installed in process(Consider Process Fluid temp 29 Deg C)?

5 5371

If The RTD(PT100) Show .776 Kohm Resistance the Temperature of process fluid how much?

3 4435

Why we are measuring 4-20ma? Why we are not taking 0-20ma? Plz answer this

1 3912

What is the formula to convert mv to temperature in k type thermocouple?pls simply elaborate? I got one ans.it is Temp=mv×25°+atmospheric temp,but here what is 25°,i confusef ,so pls????

HPCL,

2 5021

why we are using -24 vdc in plc?

CGL,

1 3371

in plc source and sink meaning?

CGL,

1 3699

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Un-Answered Questions { Instrumentation }

flow transmitter formula?

2816

How it the difference between force balance system and dispalacement balance system?

2101

Specify for Cables - Flame Retardant and Fire Resistant?

2052

How to Calibrate Ultrasonic flow Transmitter in Field

1274

i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

2065

Whatis the reset ofset and control system in instrumentation

2060

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

1944

i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

2334

PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3907

Why ac supply load cell is used? Can we use the dc supply load cell?

1071

Turbidity analyzer working principle ?

1790

What is the meaning of wet leg

1256

A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

1363

if in a level tx height is given, how u calculate the ranges of the tx?

7735

What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

2135

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