Hardcore Fossil Fuel Knowledge Quiz
A rigorous set of six multiple‑choice items testing advanced concepts in non‑renewable power sources.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which coal rank possesses the highest carbon content and lowest moisture among the listed types?
- 2
An oil with an API gravity of 45° falls into which classification?
- 3
Methane accounts for approximately what percentage of dry natural gas by volume?
- 4
Current commercial carbon capture units typically achieve what capture rate of CO₂ from flue gas?
- 5
Under the 2023 U.S. Clean Air Act amendment, the maximum sulfur content allowed in newly produced diesel fuel is:
- 6
Which fuel provides the greatest energy density on a mass basis?
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