Boolean algebra

0 Answers   CCIE,

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what is meant by calibration

3 Answers  

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Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

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what is the deluge ? How can its working?

2 Answers   KOC,

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where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

0 Answers  

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Hello-I know this not an engineering question,I am working in gulf & i want to do correspondence diploma in instrumentation,can any one give me the address of any university in which this courses are available.

2 Answers  

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what is meant by turn down ratio?

3 Answers   Avant Garde,

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can any one give me the cost price of yokogawa & rosemount transmitters

4 Answers  

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How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

0 Answers   ABB, L&T,

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What is the use of control cable?

0 Answers  

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wich is coming the first HAZOP OR SIL

0 Answers  

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what is modbus & what signals are taken through it

2 Answers  

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