SCA Roasting Practice Questions - SCA Roasting Skills Foundation Intermediate Professional Exam

Drum roasters use only radiation; fluid-bed roasters use only conduction Drum roasters primarily use conduction and convection from a rotating drum; fluid-bed roasters suspend beans in hot air, relying mainly on convection Fluid-bed roasters roast slower because air is a poor heat conductor Drum roasters can only roast light; fluid-bed roasters can only roast dark