Practice question

What is the function of a Vapor Recovery System (VRS) connection during the loading of petrol tankers at a fuel terminal?

To pump air into the tank to speed up the loading process
To return displaced flammable hydrocarbon vapors back to the terminal storage tanks instead of venting them to the atmosphere
To filter out water residues from the fuel cargo
To increase the pressure inside the tank to test for leaks

Answer: B — To return displaced flammable hydrocarbon vapors back to the terminal storage tanks instead of venting them to the atmosphere

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