What is the difference between dry contact and wet contact?

2 Answers  

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what is novram ic number of foxboro 762cna microcontroller ?thank

1 Answers  

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how manys ways dp transmitter can be calibrated having range of -150 to 400mmwc,what side pressure u will apply?

3 Answers  

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i want to control the temp of sand(welding flux) between the range of 150deg C to 170deg C. sugges me sum temp control method without PID controller.

1 Answers  

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what is the function of a zener diode ?

2 Answers   Honeywell,

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how can we caliberate interface level troll

2 Answers   Grasim, IOCL, KOC, Sankyu,

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why generation of syncronized generator increases when frequency of grid is less then 50Hz & generation decreases when grid frequency goes up from 50 Hz, as comparision with set value entered in govering panel?

1 Answers  

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Why do we floating DC in DC system.

0 Answers  

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HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

3 Answers   KNPC,

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what is LAS in foundation fieldbus protocol?

1 Answers  

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With N nodes and B branches what will have a network ???

0 Answers   BSNL,

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selection of the zener barrier for the hazardeous area zone 0

0 Answers   Siemens,

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