Which action will help lighten a metallic color?

• A. Decrease air pressure
• B. Change nozzle to smaller
• C. Reduce air pressure
• D. Increase air pressure

Answer: (D)

Increasing air pressure directly improves how the metallic paint is sprayed, which lightens the finish. When air pressure is higher, the paint breaks into finer droplets and the metallic flakes are carried more evenly to the surface. This even distribution lets the flakes reflect more light back to the eye, making the color appear lighter and brighter. If air pressure is reduced, droplets are larger and the flakes may lay down unevenly, reducing light reflection and producing a darker or duller look. While adjusting nozzle size can influence spray characteristics, the most straightforward way to achieve a lighter metallic appearance is to raise the air pressure within the recommended range.