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100+ Free Andalusia PAU Technology and Engineering II Practice Questions
Andalusia PAU Technology and Engineering II (Tecnología e Ingeniería II 2º Bachillerato) practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: Andalusia PAU Technology and Engineering II Exam
90 min
Exam Time Limit
Distrito Único Andaluz
0–10
Grading Scale
Junta de Andalucía
4.0
Min. Access Phase Score
Comisión Interuniversitaria
EUR 58.70
Base Registration Fee
Junta de Andalucía
6 Blocks
Curriculum Content Areas
2º Bachillerato Technology & Engineering II Syllabus
The Andalusia PAU Technology and Engineering II exam (Tecnología e Ingeniería II) is administered by the Distrito Único Andaluz and Comisión Interuniversitaria de Andalucía for students completing 2nd Bachillerato. The exam lasts 90 minutes and is graded on a 0–10 scale (minimum 4.0 required in the Access Phase). Note that local questions on this platform are an English-language MCQ study adaptation created to help students master the underlying 2nd Bachillerato curriculum.
Sample Andalusia PAU Technology and Engineering II Practice Questions
Try these sample questions to test your Andalusia PAU Technology and Engineering II exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Which mechanical property measures a material's ability to resist localized plastic deformation such as scratching or indentation?
A.Hardness
B.Toughness
C.Ductility
D.Elasticity
Explanation: Hardness is the measure of a material's resistance to surface indentation, penetration, or localized plastic deformation. Common engineering tests include Brinell, Rockwell, and Vickers. Toughness measures energy absorption before fracture, ductility measures permanent elongation before breaking, and elasticity is the ability to return to original dimensions after stress removal.
2What does Hooke's Law state for a material undergoing uniaxial tensile loading within its elastic limit?
A.Stress is directly proportional to strain
B.Stress is inversely proportional to cross-sectional area squared
C.Strain is proportional to total temperature change only
D.Stress is proportional to the square of plastic elongation
Explanation: Hooke's Law states that within the elastic limit, nominal stress (σ) is directly proportional to nominal strain (ε), represented mathematically as σ = E · ε, where E is Young's modulus. Once the proportional limit is exceeded, the relationship becomes non-linear and permanent plastic deformation occurs.
3In a standard tensile test specimen, how is normal stress (σ) calculated?
A.Applied axial force divided by initial cross-sectional area (F / A₀)
B.Change in length divided by original length (ΔL / L₀)
C.Original length divided by applied axial force (L₀ / F)
D.Applied torque divided by polar moment of inertia (T / J)
Explanation: Engineering normal stress (σ) is defined as the applied tensile or compressive force (F) divided by the original cross-sectional area (A₀) perpendicular to the force vector, expressed in Pascals (N/m²) or Megapascals (N/mm²). Change in length divided by original length defines strain (ε).
4Which Charpy impact test result indicates a material with high impact toughness at room temperature?
A.High energy absorption with a fibrous, dull fracture surface
B.Low energy absorption with a bright, crystalline fracture surface
C.Zero energy absorption with complete intergranular cleavage
D.Moderate energy absorption with rapid fatigue crack propagation
Explanation: High impact toughness is characterized by high energy absorption during sudden pendulum impact, creating a ductile, fibrous, and dull fracture surface due to significant plastic micro-deformation. Brittle materials absorb minimal energy and fracture cleanly along crystalline cleavage planes.
5What is the primary objective of the quenching (temple) heat treatment applied to carbon steels?
A.To transform austenite rapidly into hard, brittle martensite
B.To increase grain size and maximize electrical conductivity
C.To induce complete recrystallization and minimize hardness
D.To eliminate internal stresses while maintaining a purely ferritic microstructure
Explanation: Quenching involves heating steel into the austenitic region followed by rapid cooling in water, oil, or brine to suppress carbon diffusion. This forces carbon to remain trapped in a body-centered tetragonally distorted lattice, transforming austenite into extremely hard martensite.
6What heat treatment is invariably performed immediately after quenching steel to relieve internal stresses and restore ductility?
A.Tempering (Revenido)
B.Carburizing (Cementación)
C.Full Annealing (Recocido de regeneración)
D.Nitriding (Nitruración)
Explanation: As-quenched martensite is extremely hard but excessively brittle. Tempering (revenido) consists of reheating quenched steel below its lower critical transformation temperature (A₁), allowing controlled carbon diffusion to form tempered martensite, relieving internal stresses and increasing toughness and ductility at a minor expense of hardness.
7According to the First Law of Thermodynamics, what is the change in internal energy (ΔU) of a closed system?
A.Heat added to the system minus work done by the system (Q - W)
B.Total work performed multiplied by absolute temperature (W · T)
C.Entropy change divided by volume expansion (ΔS / ΔV)
D.Pressure change times specific heat capacity (ΔP · c_p)
Explanation: The First Law of Thermodynamics states conservation of energy for a closed system: ΔU = Q - W (using the sign convention where Q is heat added to the system and W is work done by the system on its environment). Energy cannot be created or destroyed, only transferred.
8What is the theoretical maximum thermal efficiency (η_Carnot) of a heat engine operating between a hot reservoir at T_H and a cold reservoir at T_C?
A.1 - (T_C / T_H)
B.1 - (T_H / T_C)
C.(T_H + T_C) / T_H
D.T_C / (T_H - T_C)
Explanation: The Carnot efficiency is the upper limit for any heat engine operating between two thermal reservoirs at absolute temperatures T_H and T_C (in Kelvin): η_Carnot = 1 - (T_C / T_H) = (T_H - T_C) / T_H. No real engine can exceed this efficiency due to irreversible entropy generation.
9Which ideal thermodynamic cycle serves as the standard theoretical model for four-stroke spark-ignition (gasoline) internal combustion engines?
A.Otto cycle
B.Diesel cycle
C.Rankine cycle
D.Brayton cycle
Explanation: The ideal Otto cycle models spark-ignition gasoline engines. It consists of two reversible adiabatic (isentropic) processes and two constant-volume (isochoric) processes, where heat addition occurs instantaneously at constant volume.
10In fluid statics, what does Pascal's Principle state regarding pressure applied to an enclosed, incompressible fluid?
A.Pressure applied at any point is transmitted undiminished throughout the fluid and onto container walls
B.Pressure increases linearly with the square of flow velocity
C.Pressure decreases to zero at the bottom of a vertical hydraulic column
D.Pressure is transmitted only in the direction of gravity
Explanation: Pascal's Principle states that a change in pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container. This forms the foundational operational principle of hydraulic presses, jacks, and braking systems (F₁/A₁ = F₂/A₂).
About the Andalusia PAU Technology and Engineering II Practice Questions
Verified exam format metadata for Andalusia PAU Technology and Engineering II (Tecnología e Ingeniería II 2º Bachillerato) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.