Answer / madanraj

Snubber ckt is used to protect the scr from over current and over voltage.

Answer / arpita

snubber circuit is someting like a "bumper." It alleviates the rise of voltage when the switch of scr/transistor is turning OFF, and alleviates rise of current when the switch of scr/transistor is turning ON, to a safe level.

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.

0 Answers  

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how to calibrate an error for pressure transmitter, make it easy to understand

2 Answers   Descon,

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Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.

2 Answers  

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why we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers   Emerson, IEM,

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Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

0 Answers  

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HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

0 Answers   GSM, IOCL,

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What is the diffrence between ff tx and non ff tx

0 Answers   Jindal, Rosemount,

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why we are using boosters at glass furnace is there any other thing?

1 Answers   CGL,

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how does we do bench calibration of a differential transmitter.

1 Answers  

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please tell me five types of fault of control valve and positioners?please

1 Answers  

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