La Rioja PAU Graphic-Plastic Expression (UR) Practice Questions - La Rioja PAU Graphic-Plastic Expression Techniques Técnicas De Expresión Gráfico-Plástica (2026) Exam

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In the standard graphite pencil hardness grading scale, what does a higher number preceding the letter 'B' (e.g., 6B vs. 2B) indicate?

Higher proportion of graphite relative to clay, resulting in softer, darker marks Higher proportion of clay relative to graphite, producing harder, lighter marks Greater concentration of wax binders to make the lead waterproof Higher resistance to smudging and mechanical abrasion

Correct Answer:

Higher proportion of graphite relative to clay, resulting in softer, darker marks

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