Answer / rajesh.

Potential contact means voltage is present on the point. As and when this point is make contact with another point the current will pass and circuit will draw current to load. Example relay contacts, electrical contactors etc.

Can anyone provide me the details of GAIL test paper?What is the format and what type of questions will be there? my id-princegnb@gmail.com

1 Answers   GAIL,

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

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why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

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what is the difference between signal cable and ontrol cable?

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what is the different between deflection type measurement and null type measurement in RTD?

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NAME ANY TWO ELASTIC PRESURE SENSOR?

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if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

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why does a transmitter o/o signal starts from 3-15psi or 4- 20mA?

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WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

5 Answers  

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what is the difference between mmhg & mmwc?. i want to calibrate a transmitter in the range of -100 to 300 mmwc. Which is the reference for calibrate the Tx,if mmwc not available?. Is it mmhg or mmho2?.

3 Answers   UPL,

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what is instrument philosophy

0 Answers   United Automation,

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