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Instrumentation Interview Questions
Questions Answers Views Company eMail

whatis diference between zero pressure and obsolute pressure

ABB,

1 4198

whats the diff b/w zero pressure and obsolute pressure

4 7095

what happens when the profibus fails while in operation (operation of a valve)?

L&T,

5 9087

what is the difference between signal cable and ontrol cable?

Essar,

14 56103

thru which signal does µP communicate with memory

3 4218

What is the difference between HMI and SCADA and MMI

4 12213

What is the difference between HMI,SCADA and MMI,not abbrevation?

HCL,

7 33858

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

NTPC, PSU,

1298

how checking is done in fiber optic cable? explain the working of RTU?

PSU,

5 12865

Difine flashing , Cavitaion & Noise? how to minimize these effects

L&T,

3 6544

what is skin type thermocouple? how it is installed? what is the difference b/w thermocouple & skin type thermocouple? what is gounded & non-grounded thermocoplle? what is the diff b/w these two?

KazStroy Engineering, PSU,

2 25884

How Honeywell FSC is functioning and what is its purpose? Can we bypasa it and only use DCS instead of that.

3 6316

What is diffrence between Transducer and Transmitter?

Ford,

13 20229

What is the syllabus for Instrumentation Engineers, who wish to join the Public Sector Units??

1 2314

I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.

11 17040


Post New Instrumentation Questions






Un-Answered Questions { Instrumentation }

Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

1199


How to calibrate Field bus transmitter? procedure ?

1371


Turbidity analyzer working principle ?

831


I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

1246


what are procedure of sox-nox calibration

1893






In turbine what does term CDP, NI, NH, HSSOC means.

1566


what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

877


I need to know steps to Calibration Valve Guard......

479


is motorized valve closed when power shutoff?

577


Please any one can provide latest aptitude test,technical test and interview questions for tata consulting engineering (TCE) i need it asap thanks in advance

1099


What is the reason PT speed not incresed in gas turbine?

1392


model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

1429


it is possible to check the fail safe condition in pressure transmitter. if possible how?

409


What is Erosion in a control valve?

1090


Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72

1173