Which characteristic of crude oil reflects its rate of evaporation? when engineers are concerned about the rate of evaporation of crude oil reserves, they measure its .

1. Crude oil is a light oil and is volatile. That's what makes it evaporate very fast.

2. They measure it's Reserve-to-production ration or R/P.

you may want to check ur tutorials again

The rate of evaporation of crude oil is reflected by volatile property of the crude oil.The rate of evaporation of the crude oil is dependent upon density of the crude oil,low density oil are more volatile and it can evaporate 75% faster than the high density of crude oils.

The reserve to production ratio is the amount of non-renewable resources available after evaporation, in a particular time. It is particularly applied to crude oils particularly petroleum. The engineers are concerned about the rate of evaporation of crude oil reserves, they measure its reserve to production ratio.

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there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: