Which statement is false about binder content calculation?

Which statement is false about binder content calculation?

• A. The total grams of ash in the extract is subtracted from the remaining aggregate weight in order to calculate the binder content.
• B. The binder content is determined by the ratio of ash to aggregate.
• C. Binder content calculation requires ash and aggregate data.
• D. The procedure does not involve ash weighing for binder content.

Answer: (A)

Binder content is determined by comparing how much asphalt binder is present to the amount of mineral aggregate, using the masses obtained from the extraction process. The amount of binder is not found by subtracting the ash from the remaining aggregate. Instead, you use the measured masses of the ash (which represents the binder that was removed) and the remaining aggregate to form a ratio or percent that describes how much binder was in the mix. This relies on having both ash and aggregate data and on weighing the ash as part of the procedure. The idea that binder content comes from a simple subtraction of ash from the remaining aggregate isn’t how the calculation is expressed; the actual approach uses the relationship between ash and aggregate to determine the binder content.

Binder content is determined by comparing how much asphalt binder is present to the amount of mineral aggregate, using the masses obtained from the extraction process. The amount of binder is not found by subtracting the ash from the remaining aggregate. Instead, you use the measured masses of the ash (which represents the binder that was removed) and the remaining aggregate to form a ratio or percent that describes how much binder was in the mix. This relies on having both ash and aggregate data and on weighing the ash as part of the procedure. The idea that binder content comes from a simple subtraction of ash from the remaining aggregate isn’t how the calculation is expressed; the actual approach uses the relationship between ash and aggregate to determine the binder content.