# What exactly is an AC ton?

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• posted on July 13, 2007, 3:10 am

Perhaps I should have said that a bit different - most of the countries that are officially metric (which is most countries) will not be using HP for anything, except informally.
Do a google search for "kw engine power", and you'll see countries all over the world (JP, AU, KR, SE, DE, UA, PL etc) using Kw, often alone, or sometimes with a horsepower rating in brackets.
Not just diesels. I saw a australian web pages with stihl weedwacker specs that only quoted kilowatts.
Most people in Canada are familiar with horsepower, not watts of mechanical energy, but government regulation/documents produced since metrification I believe are in watts and kw.
The Owner's manual for our car gives both.
--
Chris Lewis,

Age and Treachery will Triumph over Youth and Skill
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• posted on July 29, 2007, 6:53 am
288 000 BTU / 24 Hrs 12000 BTU / Hr 1 Ton of water = 2000 Lbs 144 BTU / Lb = 288 000 BTU = 3.52 kW = 3520 J / s = Total BOREDOM = WOT U WONT TO KNOW FOR ANYWAY WOT R U A MASOCHIST

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• posted on July 12, 2007, 12:55 pm

You can put everything in metric and SI units but you get numbers that you cannot relate to. Funny that my UK friends are mostly metric but still measure their body weight in stones ;) Frank
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• posted on July 12, 2007, 4:42 pm
Personally, I don't struggle with any of those measurements.
Steve Barker

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• posted on July 12, 2007, 6:47 pm

The mount of alternating current (AC) whose weight equals one ton at sea level.
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• posted on July 13, 2007, 6:56 pm
The ammount of heat required to melt one ton of ice, over a 24 hour period. Ending up with 32 degree (F) water.
--

Christopher A. Young
You can\'t shout down a troll.
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• posted on July 29, 2007, 1:21 pm
On Jul 13, 2:56 pm, "Stormin Mormon"

While we're at it, one would think that they would specify that the ice must be at 32F, so that it's the sublimation heat. Otherwise, I could take ice that is at -50 deg and ice that is at 32F and it would take two different amounts of energy to melt it.
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• posted on July 29, 2007, 2:00 pm
snipped-for-privacy@optonline.net wrote:

Well, precisely they do...
"In the US, the standard commercial "ton" of refrigeration represents a performance capacity rate equivalent to the cold effect of a ton of ice (2000 lb) melting per day from and at 32F, latent heat of fusion taken at 144 Btu/lb."
-- Perry's Chem E Handbook, 4th Ed, 12-4