why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)

5 Answers  

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why we use sensing type(NPN)on a vibration monitring system not a (PNP)sensing type

1 Answers  

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We are used ABB 800xa 5.1.please tell me how to instrall this.

1 Answers   TCCL,

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what is instrumentation?

8 Answers  

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what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

0 Answers  

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HOW DPT WORKS?

6 Answers   Essar,

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Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

0 Answers  

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When LP SURGE happening in compressor

3 Answers   KNPC, KOC,

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What is the Difference between CNC and PLC

1 Answers  

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how to work gas chromatography explain principle ?

2 Answers  

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What is BMS (Building Managment System)& is AHU / HVAC are in BMS.

12 Answers   Alghanim,

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in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

0 Answers  

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