this post was submitted on 28 Mar 2024
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IMO metric also allows you to reason about things in your head more easily because doing base-10 calculations in your head is doable.
For example, "Each 1m section of a pipeline contains 20L of oil. The goal is to empty a 200 km section of pipe into trucks. If each truck can handle 20 tonnes of oil, how many trucks would be needed?" In metric that calculation is 20 * 1000 * 200 = 4 million L. 20 tonnes is approx 20,000 L since 1L of water is 1kg, so it's going to be at least within an order of magnitude of that for oil. 4M / 20k = 200.
With US customary units it would be "Each 1 foot section of a pipeline contains 1.5 gallons of oil. The goal is to empty a 100 mile section of pipe into trucks. If each can handle 20 tons of oil, how many trucks will be needed? To handle that calculation you'll have to convert feet to miles. Gallons to pounds, pounds to tons, etc. You can do it on paper, but all those weird conversions add massively to the difficulty.
There's a reason why the American science community has long converted to metric. You just can't do calculations like this quickly enough.
well how dense is the oil
Not as dense as those teenagers
True, also i side note. Tanker turks are measured in Volume here. Thats makes it easier
I'm imagining a tank wearing a fez.
tanker trucks
Crude is approximately the same as water, about 0.8 to 0.9 g/mL. But, even if it were significantly less dense, like gasoline (0.74 g/mL) it's still good for an order-of-magnitude calculation. Knowing that 1L has a mass of 1kg is especially useful since many of the liquids we commonly encounter are water-based.
.8 to .9 for crude (where water is 1)