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

Instrumentation Interview Questions

Questions Answers Views Company eMail

SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?

4 7515

draw the block diagram of a level transmitter ?

Hira Group, Samsung,

2394

while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

Gasco,

2209

why we are using perforted cable tray for control cable and ladder tray for power cable

1 9201

What FLOW METER generally used in Gas plant?

Gasco,

5 10451

What do you do as a Engineering person EPC for Sizing&Selecting Control Valve?

1 2830

what is the reset offset and control system in instrumentation

ABB,

3612

How to O2 analyzer works?

1 5960

how to work static pressure sensore how to work dpt

1873

if we open the inlet of an air regulator ,how it will affect the out put of regulator? (out put of regulator is using to operate an on-off valve.it is an air to open valve,and valve is in open position.my doubt is air regulator will hold the valve in open or not,if there is no consumption or leak in regulator out put side ,we only loose the input pressure.)

Asian Paints,

4 7267

what is meaning of static pressure

Ambuja,

4 8331

What is difference between loop and zone ?

Adgas, Bilt,

5 13998

What is the Difference between PE,IE and ISE

2 23191

Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

Yokogawa,

2280

what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

4016

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Un-Answered Questions { Instrumentation }

Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

1692

how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

2114

Explain how thw analog to digital converter works with the circuit diagram

2671

Operational amplifiers

1959

what is the responsibility of an instrument commissioning supervisor

3158

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?

2219

In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

2957

What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch

2210

What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?

1399

what is thermo coupler and how it works

6086

Specific gravity.

1874

Hi my friends Is any one who can assist me in knowing the typical interview questions for system engineer at General Electric pty Ltd

2111

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

2178

plz send me general of ongc

1953

wich is coming the first HAZOP OR SIL

2759

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