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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 7364

draw the block diagram of a level transmitter ?

Hira Group, Samsung,

2327

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

Gasco,

2151

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

1 9089

What FLOW METER generally used in Gas plant?

Gasco,

5 10247

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

1 2724

what is the reset offset and control system in instrumentation

ABB,

3557

How to O2 analyzer works?

1 5880

how to work static pressure sensore how to work dpt

1821

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 7097

what is meaning of static pressure

Ambuja,

4 8159

What is difference between loop and zone ?

Adgas, Bilt,

5 13755

What is the Difference between PE,IE and ISE

2 22995

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,

2236

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

3951


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

How we calculate orifice plat size???

1470


How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

2087


what is zero and span ?

1606


use of split range ? where it is used ? in which control loop it is used ?

1925


What is stripper & spilitter ? Diffrence in this.?

2437


Explain the mechanism behind the turbine meter.

1068


tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

2243


need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

1844


Hello to all....I am an Instrumentation Graduate and i am passed out in this year only.. I am unable to find the job in my core instrumentation.. so any boby tell me how to and where to search the job....please...and also tell me i there are any courses offered in the instrumentation stream so i can do it... you can send your suggestions to my mail-id i.e Ganesh20084u@gmail.com ... please..

1936


Why do we have earthing cable in branch cable and shield in the same cable?

2554


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

1866


What is instrumentation technologists and mechanics?

925


Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

1574


Turbidity analyzer working principle ?

1711


line up procedure for dp type flow transmitter?

1854