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100+ Free Galicia PAU Graphic-Plastic Expression Techniques / Técnicas de Expresión Gráfico-Plástica CIUG Practice Questions
Galicia PAU Graphic-Plastic Expression Techniques / Técnicas de Expresión Gráfico-Plástica CIUG 2026 (Probas d'Acceso á Universidade) practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: Galicia PAU Graphic-Plastic Expression Techniques / Técnicas de Expresión Gráfico-Plástica CIUG Exam
90 min
Exam duration (1.5 hours)
CIUG PAU Guidelines
0–10
Grading scale
CIUG Evaluation Criteria
4.0
Minimum Access Phase mark required
Spanish University Access Regulations
63.67 €
Ordinary registration fee
CIUG Official Fees
100
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Galicia PAU Graphic-Plastic Expression Techniques (CIUG 2026) is a 90-minute examination assessing 2º Bachillerato art techniques competencies across 5 key domain areas under LOMLOE guidelines.
Sample Galicia PAU Graphic-Plastic Expression Techniques / Técnicas de Expresión Gráfico-Plástica CIUG Practice Questions
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1Which graphite pencil grade contains the highest proportion of clay relative to graphite, resulting in a lighter mark and harder core?
A.9H
B.9B
C.HB
D.2B
Explanation: Pencil hardness increases with higher numbers in the 'H' series because the core contains a greater proportion of refined clay mixed with graphite powder. A 9H pencil produces thin, grey, highly compressed lines resistant to smudging, making it ideal for technical underdrawings.
2How does vine charcoal differ chemically and physically from compressed charcoal in drawing applications?
A.Vine charcoal is bound with synthetic gum arabic and wax to create permanent black lines.
B.Vine charcoal is produced by burning uncompressed twigs without additives, yielding an easily removable tone.
C.Compressed charcoal contains no carbonized organic material and relies entirely on synthetic dyes.
D.Vine charcoal cannot be smudged or erased from cotton rag paper.
Explanation: Vine and willow charcoal are made by carbonizing slender woody branches in an oxygen-deprived kiln without additional binders. This yields fragile, porous carbon sticks that glide smoothly and erase effortlessly. In contrast, compressed charcoal mixes carbon powder with clay or gum binder to produce intense, dark, difficult-to-erase lines.
3Sanguine is a classic dry drawing medium historically associated with Renaissance anatomical sketches. What natural mineral provides its characteristic reddish-brown color?
A.Lapis lazuli (silicate mineral)
B.Malachite (copper carbonate)
C.Hematite (iron oxide)
D.Cinnabar (mercury sulfide)
Explanation: Sanguine derives its distinct terracotta red hue from hematite, a naturally occurring ferric iron oxide ($Fe_2O_3$). Ground hematite mixed with small amounts of chalk or pipe clay creates smooth sticks favored by Renaissance masters like Leonardo da Vinci for rendering human skin tones.
4What paper surface texture classification is created by pressing wet paper pulp against hot polished metal cylinders, resulting in a smooth, grainless surface suitable for detailed pen and ink?
A.Unpressed canvas
B.Cold pressed (NOT)
C.Rough
D.Hot pressed (HP)
Explanation: Hot pressed paper is passed between heated metal rollers during manufacturing, flattening all surface fibers to produce a dense, satin-smooth finish. This smooth surface prevents fine nibs or graphite tips from snagging and allows crisp, high-definition line work.
5What is the primary function of a fixative spray applied to a completed charcoal or soft pastel drawing?
A.To form a protective resinous film that binds loose pigment particles to paper fibers.
B.To dissolve the paper surface into a gel that absorbs charcoal permanently.
C.To restore bright highlights by bleaching dark charcoal marks chemically.
D.To convert dry soft pastels into an oil-resistant waterproof varnish.
Explanation: Fixatives consist of synthetic or natural resins (such as shellac or acrylic polymers) dissolved in a fast-evaporating solvent like alcohol. When atomized over a dry drawing, the evaporating solvent deposits tiny resin droplets that lock loose pigment dust onto the paper surface, preventing smudging and dusting during handling.
6Why is a putty/kneaded eraser preferred over a hard vinyl eraser when working with delicate soft pastels or vine charcoal?
A.It deposits a layer of white pigment onto the paper to cover mistakes.
B.It absorbs pigment particles by lifting without abrasive friction that damages paper tooth.
C.It chemically neutralizes carbon atoms in charcoal to render them transparent.
D.It hardens into a permanent resin when pressed against cotton rag paper.
Explanation: A kneaded eraser is made of pliable rubber that can be shaped into fine points or flat pads. It works by adhesion—lifting pigment particles off the surface when dabbed—without requiring abrasive rubbing action, preserving the delicate tooth of high-grade art papers.
7What technical phenomenon occurs when heavy layers of soft graphite (e.g., 6B to 9B) are burnished excessively onto smooth paper?
A.Transformation of graphite into crystalline diamond particles under hand pressure.
B.Spontaneous tearing of cotton fibers due to chemical oxidation by graphite ions.
C.A reflective silver sheen that reduces tonal depth and prevents further pigment adhesion.
D.Irreversible yellowing of the paper matrix within 24 hours.
Explanation: Over-burnishing soft graphite fills every microscopic crevice of the paper substrate, aligning the flat hexagonal carbon platelets into a smooth mirror-like surface. This produces an unwanted metallic glare, limits dark value contrast, and blocks additional graphite from adhering to the sheet.
8Which component acts as the binding agent in traditional soft dry pastels?
A.Acrylic polymer emulsion
B.Drying linseed oil mixed with turpentine
C.Beeswax and paraffin wax emulsions
D.Gum tragacanth or methylcellulose in minimal amounts
Explanation: Soft pastels consist almost entirely of pure dry pigment powder bound with tiny fractions of a water-soluble binder like gum tragacanth, gum arabic, or methylcellulose. Minimizing the binder ensures maximum color purity, velvety texture, and immediate pigment release upon contact with paper.
9What metric specifies paper density and thickness in international paper manufacturing standards?
A.Grammage measured in grams per square meter ($g/m^2$ or gsm)
B.Viscosity measured in centipoise (cP)
C.pH value on a logarithmic scale from 0 to 14
D.Tensile tearing index in Newtons per meter
Explanation: Grammage ($g/m^2$) measures the mass of paper per unit area. Standard drawing papers range from 90 to 180 $g/m^2$, whereas heavy watercolor and printmaking papers range from 300 to 640 $g/m^2$, providing structural resistance against buckling when wet.
10How do oil pastels differ fundamental from soft chalk pastels during application?
A.Oil pastels dry within 10 minutes into a rigid ceramic shell.
B.Oil pastels use non-drying oil and wax binders, making them smudge-resistant and non-dusting.
C.Oil pastels can be completely dissolved and washed away with plain cold water.
D.Oil pastels cannot be layered or blended with mineral spirits.
Explanation: Oil pastels combine dry pigments with mineral oil and wax binders. Unlike dry soft pastels, they do not produce airborne dust, do not require aerosol fixative spray, and remain slightly tacky, allowing blending with solvent brushes or stump smudging.
About the Galicia PAU Graphic-Plastic Expression Techniques / Técnicas de Expresión Gráfico-Plástica CIUG Practice Questions
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