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Instrumentation Interview Questions
Questions Answers Views Company eMail

how we will install a positioner ?

Descon,

2 5425

what is difference b/w tube and pipe ?

BSL, Descon, Kirloskar,

6 9083

what is the difference between 2 wire and 3 wire RTD- application wise,cost effectivity?

 2 6879

what is the difference between sinking and sourcing inputs and also what are there applications?

 2 6311

What is cascade control in process instrumentation?

Engineers India, ITC Infotech,

4 22495

how the 2.5bar pressure able to control the 40bar steam

IBM, PAFL, Thirumalai Chemicals,

8 9271

what is AWG?

NTPC,

2 6288

difference b\w a transducer and a sensor

 4 6504

Please send the all question with answer related for interview.

 1 2544

What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

Kentz,

1529

what is Green field /brown field exposure in chemicals /oil /petrochemicals /refineries /paints /speciality chemicals /gas /FMCG /glass industry

 1 2655

on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

 1689

i have 20 kw motor & my vfd drive capcity is 18 kw if possible to use 20kw motor on this vfd?

 4 8454

Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

2701

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

1 8235

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Un-Answered Questions { Instrumentation }

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

2267

what is different between 2,3&4 wire rtd and how much maximum distance using plc to field.

2266

Any body have know try work calculation ???

977

NSV type probe stands for

1957

How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?

1588




why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

1925

pls give me presant awerness quistion and answer in my emailid.

2308

List three types Level Switches with their working principles

1620

Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks

1853

What are primary elements of measuring pressure?

752

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

2632

Explain the mechanism behind the turbine meter.

683

the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2475

WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

3025

Explain the use of hair spring in the pressure gauge.

652

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