If Coal Has More Energy Per Gram Than Nitroglycerin, Why

question 75

Multiple Choice

If coal has more energy per gram than nitroglycerin, why isn't its combustion considered an explosion?

• A)Its lower explosion level (LEL) is too low for it to be considered a true explosion.
• B)It requires too high an ignition temperature.
• C)The rate is too slow.
• D)The concentration is never high enough for an explosion.

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