King of the Highway: The Ultimate Big Rig & Semi-Truck Operations Challenge
What is the primary chemical chemical mix in Diesel Exhaust Fluid (DEF)?
30%
Correct!
Incorrect!
DEF is a high-purity solution consisting of 32.5% high-grade synthetic urea and 67.5% deionized water. It is injected into the Selective Catalytic Reduction (SCR) system to break down dangerous nitrous oxide (NOx) gases into harmless nitrogen and water vapor.
What is the primary chemical chemical mix in Diesel Exhaust Fluid (DEF)?
Sulfur and liquid crude petroleum
Methanol combined with trace motor oil
Purified synthetic urea and deionized water
Isopropyl alcohol and engine coolant
30%
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