Answer / ahmed helmy

to avoid the direct contact of hot steam with the transmitter so the impulse line should be filled with water which is coming from the condensation in the below of the boiler.

what is difference between hart signal and analog signal (4 to 20 ma)

2 Answers   Takreer,

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TRANSDUSER MOSTLY CONVERT WHICH ENERGY INTO ENERGY ?

6 Answers   DVC,

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Explain working principle of lvdt?

0 Answers  

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What is Cavitation in a control valve?

0 Answers   CCIE, KN,

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sir, give me placement papers and interview quistion of birla group company of copper.

0 Answers   Birla,

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Transmitter reading is zero but in DCS showing one Bar what is the reason ?

3 Answers  

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Difine flashing , Cavitaion & Noise? how to minimize these effects

3 Answers   L&T,

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what is a mapping in plc & dcs

1 Answers   Arctern, ARM Cement,

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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 Answers  

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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Why we use negetive (-)voltage in vibration system

4 Answers  

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