Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?
5 12359Post New Air Liquide Interview Questions
How many rows and columns are there in ms excel 2003?
how many files, printer files you can describe in a rpg?
Somehow, my worksheet has external links to files that are no longer around. How can I delete the links?
What is the difference between @before and @beforeclass annotation?
What is a good approximation for the heat transfer coefficient of hydrocarbons inside 3/4" tubes?
What does guid stand for?
What is etl tool in hadoop?
A test has a true positive rate of 100% and false positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
What is the difference between silverlight and flash?
Which is faster mysql or mongodb?
How do you make programs portable on unix and dos under such circumstances?
What is ms word and features of ms word?
Why the statue of liberty is made of copper?
Explain about raising error exceptions?
What is dos and its command?