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Instrumentation Interview Questions
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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),

1589

control modes

Vedanta,

1 4401

What is deffrence between Battery and capacitor

Siemens,

3 6952

What is micromotion transmitter? What is the porpose of using this transmitter?

Samsung,

2 5568

how many type of control valve?

10 25247

why use 4-20mA in the field of instrumentation?

8 25507

what is the difference between two wire transmitter and 4- wire transmitter

3 18673

what is the working principal of pribe

1591

What is 1:1 redundancy ?

1670

why 4ma show higher zero ? i have transmiter flow renge 0-1000 m3/h but 4 ma show in monitoring 200 m3/h and 20 ma show 1000 m3/h i want when 4ma show 0 m3/h and 20ma 1000m3/h

3 4550

What is the minimum rating availalbe for weld neck orifice in market?

Jindal,

1347

What is eddy current? Describe the operating principle of proximity probe.

1602

In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 4251

In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 9427

For an Instrumentation Engineer, is there any effect on Instruments of safety zones like zone0, zone1, zone2. As an instrumentation Engineer, what we have to consider or remember while working in these areas.( zones 0,1,2).

1 3385


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

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

3944


what is the electrical operation procedure for switching on 27.6MVA electric furnace.

1441


What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller

1694


How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

1794


what is function of switch, and how is it work, explain with difination

1543






What is the procedure of calibration of Load cell?

1347


we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

1391


what is the input of digital counter during the the calibration time?

1681


which processor is used in dcs.

1618


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

1388


For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.

1346


Make Heater Process Logic.

1485


How servomotor controls throttle valve of TURBINE?

1284


what is instrument philosophy

1570


i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

2373