Sentences with phrase «feet per ton»

The most common rule of thumb is to use 500 square feet per ton to determine the size of air conditioner needed.

Thus in sandy soils for example (compare dry and saturated thermal conductivities of Figure 5 with tabulated values in Figure 6), the required length of the ground loop could be as low as 200 feet per system ton if the soil is saturated with water, or as high as 300 feet per ton if the soil is dry.

Not exact matches

The organic grocer still makes a ton of money per square foot as well, Cramer said.

But, they had never been used at the unprecedented depth of 5,000 feet beneath the surface, where an estimated 7,500 tons per day of oil and 2,400 tons per day of natural gas were jetting from the ruptured wellhead near the seafloor.

With a volume of more than 700,000 cubic miles and an average thickness of 4,000 feet, the West Antarctic Ice Sheet (WAIS) holds enough water to raise sea levels by 15 to 20 feet — and it is already sweating off 130 billion tons of ice per year.

per cubic foot Mass: 1.07 x 1020 tons Features: Numerous 3 - to 6 - mile - wide blobs of crystallized material and evidence of layers hundreds of miles thick and perhaps a 360 - mile - wide innermost inner core of iron Activity: Convective currents in the outer core give rise to a dynamo process — a natural generator.

per cubic foot Mass: 81 x 1018 tons Features: 43 - mile - thick outer crust; 788 - mile - thick mantle; 248 - mile - wide iron - rich core Activity: Tectonically dead.

By Herman Frasch's invention of a process for liquefying sulphur in the ground, at a depth of 1,000 feet, and pumping it to the surface in fluid form, sulphur is produced at an average cost of $ 3.68 per ton, as against $ 12 per ton, the cost of mining sulphur in Sicily.»

This vast sprawl of systems, materials and structures has a mass of about 30 trillion tons, which would mean 10 pounds per square foot (50 kilograms per square meter) if spread evenly over Earth's surface.

Let's be clear: the Cadillac Escalade Hybrid is nearly 17 feet long, weighs more than three tons and gets an EPA fuel economy rating in the low 20 miles per gallon.

If you know what to expect, if you know that the great whales range in size from 45 to 90 or 100 feet and weigh as much as 1.5 tons per foot, you're less likely to be disappointed at the sight of a spout.

It is not surprising to find that vacation homes in Aspen use more energy when occupied than the average Aspen home of 3,272 square feet; what is really surprising is that they are vacant on average 277 days per year and still generate 43.8 tons of

On average, a 1000 - foot ship sinks into the water by one inch per 270 tons of cargo; 98 thus if a ship is currently limited by water depth, any lowering of lake levels will result in a proportional reduction in the amount of cargo that it can transport to Great Lakes ports.

The 2.2 billion cubic feet per day that Cheniere Energy plans to export daily represents about 432.1 million metric tons of hard coal or 864 million metric tons of lignite that China does not have to burn every single day.

How hot is it going to get if global coal consumption peaks at 7 billion tons per year, oil consumption peaks at 100 million barrels per day and natural gas consumption peaks at 150 trillion cubic feet per year?

ENERGY OVERVIEW Proven Oil Reserves (1 / 1 / 02E): 2.9 billion barrels Oil Production (2002E): 818,000 barrels per day (bbl / d), of which about 763,000 bbl / d was crude oil Oil Consumption (2002E): 483,000 bbl / d Net Oil Exports (2001E): 335,000 bbl / d Natural Gas Reserves (1 / 1 / 02E): 27.5 trillion cubic feet (Tcf) Natural Gas Production (2000E): 1.32 Tcf Natural Gas Consumption (2000E): 1.17 Tcf Net Natural Gas Exports (2000E): 0.15 Tcf Coal Reserves (2000E): 474 million short tons (Mmst) Coal Production (2000E): 0.33 Mmst Coal Consumption (2000E): 1.47 Mmst Electric Generation Capacity (1 / 1 / 00E): 24 gigawatts (GW) Electricity Generation (2000E): 82.8 billion kilowattthours (bkwh); conventional thermal 52 %, hydroelectricity 41 %, nuclear 7 %

As shown in Figure 6, the range in ground loop lengths over the typcial range of soil thermal conductivities is 200 to 300 feet per system ton, which translates into a 30 - 50 % difference in required land area, and a 10 - 20 % difference in total system capital cost.

.03 lbs of carbon per cubic foot of natural gas * 150 trillion cubic feet per year (100 now) = 2.25 billion tons of carbon per year.

This corresponds to a CO2 partial pressure of 1.25 lbs per square foot or 54,574 lbs per acre (the 27 tons per acre) unless I made another dumb mistake.

ENERGY OVERVIEW Energy Minister: Ernesto Martens Rebolledo Head of PEMEX: Raul Munoz Leos Proven Oil Reserves (1 / 1 / 03E): 12.6 billion barrels (see Reserves and Production) Oil Production (2002E): 3.6 million barrels per day (bbl / d), of which 3.18 million bbl / d was crude Oil Consumption (2002E): 1.93 million bbl / d Net Oil Exports (2002E): 1.68 million bbl / d Crude Oil Refining Capacity (1 / 1 / 03E): 1.7 million bbl / d Natural Gas Reserves (1 / 1 / 03E): 8.8 trillion cubic feet (Tcf)(see Reserves and Production) Natural Gas Production (2000E): 1.33 Tcf Natural Gas Consumption (2000E): 1.38 Tcf Recoverable Coal Reserves (2000E): 1.3 billion short tons Coal Production (2000E): 10.86 million short tons Coal Consumption (2000E): 13.41 million short tons Net Coal Imports (2000E): 2.55 million short tons Electric Generation Capacity (2000E): 38.9 million kilowatts Net Electricity Generation (2000E): 194.37 billion kilowatthours (bkwh); 74 % thermal, 18 % hydro, 5 % nuclear, 3 % other Net Electricity Consumption (2000E): 182.8 bkwh Net Electricity Imports (2000E): 2.07 bkwh

Our full atmosphere of real greenhouse gases, which are not ideal gases but have volume, weight, attraction and subject to gravity, act as a blanket weighing down a ton per square foot around the Earth keeping the heat from the Sun's warming of the Earth from escaping too quickly before the Sun again heats the surface.

Eight million tons of plastic ends up in the ocean every year; the equivalent of five grocery bags per every foot of coastline across the planet.

You'll pay about $ 2,000 — $ 4,000 per ton, and a typical two - story, 2,000 - square - foot house might require 3 — 3.5 tons of air conditioning.

In terms of cost per square foot, these additions are more expensive than larger builds, but, in the grand scheme of things, they end up costing less because you don't usually need a ton of extra contractors or permits to add a bump out to your home.