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Instrumentation Interview Questions
Questions Answers Views Company eMail

Can a Differential Pressure Transmitter be used as a normal pressure transmitter??

3 4783

in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

Jindal, UltraTech,

1 3498

Please tell me details about Sox,Nox,SWAS analyser????

Essar,

2863

for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}

L&T,

1 6875

How will you calibrate PID controller? explain with example.

Jacobs, Sirte Oil Company,

1504

How is PH sensor works ?

990

what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

1 2649

Is wet leg type system nessesary to measure water level of steam DRUM? How the transmitter is calibrated to measure this level?

1192

how to solve temperature error in compressor?

1 2817

please suggest me, how can i change the display setting in term of unit in place of % of Honeywell pressure transmitter ST3000S100?

2 2929

In separator VFD frequently trip with OVER VOLTAGE Fault What is the reason?

4 5079

What is the difference between rich gas and lean gas?

3 10364

Condensation within a sight glass? Would you expect there to be more problems when using a sight glass if there is condensation on the inside or the outside of the glass, and why?

1 2441

what is the differnce between PLC & DCS

TVS,

7 6922

ALL INSTRUMENTS WORKING PRINCIPLE.

Blanco, India Cements, TVS,

3 9057


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Un-Answered Questions { Instrumentation }

Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3026


what effects a surging can produce in the compressor

1012


Hi,can anyone help me out with PhD programs related to Instrumentation field?I have a degree in electronic Instrumentation?

1005


Please asked me How calculate DCS controller memory.

1874


In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

1145






1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

1269


What is the main difference between Cavitation and Flashing?

12514


Explain PID controller tuning & any one method used for it.

6146


hi! i want to know about mpse exam.

1325


Galvanizing.

979


I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1096


what is the difference between profibus and controlnet networking.

2066


How d.p. Transmitter can be applied to close tank?

166


is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1323


What is ultrasonic flowmeter?

167