If a supercharger provides 15 psi of boost pressure, this effectively doubles the engine size. True or False?

Question

Quizplus · Accepted Answer

A supercharger providing 15 psi of boost pressure can effectively double the amount of air (and consequently fuel) that can be put into the engine, mimicking the effect of doubling the engine size. This is because atmospheric pressure at sea level is approximately 14.7 psi, so adding an additional 15 psi effectively doubles the pressure at which air is forced into the engine.

If a Supercharger Provides 15 Psi of Boost Pressure, This