Units and conversions challenge.
Keep barrels, tonnes, troy ounces and energy units from getting mixed up. Every answer includes a short explanation.
Answers and explanations.
Try the quiz first. Then open any question to check the answer and the reason behind it.
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How many kilograms are in one metric tonne?
Choices: 1,000 · 100 · 2,000
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1,000. One metric tonne equals exactly 1,000 kilograms.
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Is a troy ounce the same weight as an ordinary ounce?
Choices: Yes · No
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No. No. A troy ounce is about 31.1035 grams; an ordinary avoirdupois ounce is about 28.35 grams.
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What does MMBtu measure?
Choices: Energy · Distance · Purity
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Energy. MMBtu means one million British thermal units and is used as an energy unit, including for natural gas.
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Is an oil barrel a unit of volume or weight?
Choices: Volume · Weight
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Volume. An oil barrel is a volume of 42 US gallons. Its weight depends on the density of the liquid inside.
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Changing dollars into euros changes which part of a quote?
Choices: The currency expression · The physical amount in a tonne · The observation date
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The currency expression. Currency conversion changes how the value is expressed; it does not change the physical quantity.
Learn more about this topic.
- Metal weight converter: grams, troy ounces, kilograms and tolas.
- Oil barrel and volume converter: barrels, litres and tonnes.
- Troy ounce vs ounce: the unit mix-up that costs buyers money.