Explain the key components of control loop?

0 Answers  

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As an industrial instrument technician what we have to know?

3 Answers  

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please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

0 Answers   Wartsila,

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, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

0 Answers  

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how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?

2 Answers  

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which types of oxygen analyzer describe with drawing ?

2 Answers  

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what is compensation in engineering and what is temperature compensation?

1 Answers   Binani, Yokogawa,

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wHAT IS BURST MODE IN TRANSMITTER?

1 Answers   Bhel,

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What is solenoid valve? Where it is used?

0 Answers  

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

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Define all the process Variable and state their unit of measurement. ?

0 Answers  

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what does mean by analog output trim and where this one used for?

1 Answers  

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