Answer / ejazmaqsood

because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.

Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure?

2 Answers   SCS,

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While giving Power Supply of 24 VDC to a Transmitter,why Shield Terminal is connected either at Transmitter or at ISB.Why not Shield Terminal connected at both ends.If the Reason is to avoid Noise interference,which type of noice that is interfering.Is the Noice from the 24 VDC supply terminals or from any external source.

1 Answers  

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how to convert digital signal to analog signal in plc

1 Answers   UltraTech,

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what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

0 Answers   L&T,

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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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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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How can I zero check of wet leg type DP Tx ?

6 Answers   ONGC,

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

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Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?

2 Answers   Chettinad, HPCL,

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The document / drawing that is primarily used in depicting the “Bill of Materials (BOM)” of piping system is the

2 Answers  

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what is the difference between impact plate n coriolis type solid flow meters n how they works....n which one is better

1 Answers  

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why vortex flow meters and electro magnet flow meters are used in water treatment plants

1 Answers   Elite Construction,

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