Instrumentation Interview Questions
Questions Answers Views Company eMail

if i want to make a zero trim for mass flow meter the pipe line should be empty or i need to make it full? i really need the answer pls help me

2 4311

How we can do the linearity test for Bently Naveda Vibration Probe?

Sabic,

1 17399

why level transmitter input is given 4to20ma

Sabic,

2 5425

why most of the DP transmitters using maximum range as 0-2500mmwc?why not 1000 2000 3000 4000mmwc

SPIC, TNPL,

2 7125

How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???

1 5682

if change the pid in D value so what action.

Siemens,

2 6828

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

KNPC,

1620

Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?

1 2969

in DCS or PLC we can not put all ai or di,there is calculation through which we can accomodate certain no of digital and analog signal.I need to know that calculation

1 3798

How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

ABB, L&T,

1770

how to calibrate displacer type level transmitter by dry weight method please mention formula for weight calculation

1 12694

if a dp transmitter has range 100 in H2O and flow is 20mmcf and if the flow is changed to 25 mmcf then what is the formula to determine new range of transmitter

TATA,

1 4960

What is the difference between uv and ir scanners? and what is the workig principle of both

1921

applications of plc in printing and packaging?

1657

what is protonics how it is differ from electronics

1 5744


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?

1467


List three types Level Switches with their working principles

1611


who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.

4218


How to interfacing microcontroller with a DC motor

1227


whats the abbreviation of IOP? is it instrument of power or input open problem?

639






What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

1575


Tell about your IFFCO plant visit.

1613


what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

1611


POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

1735


What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

2911


Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

1632


How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

2257


Square root calculation for dp flow transmitter?

632


What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

2026


all questions related to instrument technician in any offshore oil and gas company.

20927