# COMMUNITY FORUM

stlucia6

11:32AM | 07/08/07
Member Since: 07/07/07
I am on a plumbing training course and just when I think I understand how to calculate water pressure, intensity of pressure and total pressure in Newtons and Pascals then someone tells me something different and I'm back to square one. The formulae in the books look simple enough until I try them on an actual example. Can someone explain in SIMPLE terms what the formulae are for these 3 and give me an example. Please make your answer suitable for an IDIOT as I feel like one right now.

The formula looks like Newtons should be multiplied by m2 but then it's written N/m2 which looks like it should be divided not multiplied. Can anyone make this clear, please??

Sylvan

02:26PM | 07/08/07
Member Since: 01/24/06
Your not an idiot, formulas can be very complicated as a matter of fact my apprenticeship consisted of 744 hours of class room studies and 10,000 hours practical training.

If you do not understand it is the instructors fault so ask them again to go over it as I am sure your not the only one confused.

Here for example was a question posted in 1999 and two views on the same question

http://www.masterplumbers.com/plumbviews/1999/watersupply.asp

No matter how much formal training one has there are still so many plumbing questions that stump even the top 50 masters out there.

The good thing is no matter how much you try you can never learn everything about plumbing thus it keeps it interesting as everyday you learn something new and no two jobs are exactly the same.

stlucia6

09:46PM | 07/08/07
Member Since: 07/07/07
I would prefer to get alternative advice rather than go to the instructors again. Yes, I accept it's not a good training college if you can't go to the instructors but it's the one I'm on and have done well so far other than this one problem.

Sylvan

11:10AM | 07/09/07
Member Since: 01/24/06
I still think you should ask your instructor that is what they are there for

The MKS unit of pressure equal 1 N m-2 = 1 kg m-1 s-2. It is also equal to 10 "cgs" bars. Bar, Pressure.

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