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Exam Review

Key Facts: Basque PAU Technology & Eng II Exam

90 Minutes

Exam time duration

UPV/EHU PAU Commission

EUR 86.33

Ordinary registration fee

UPV/EHU 2026 Fees

0–10 Scale

Grading scale for Bachillerato and PAU exams

Spanish Ministry of Education

1 Core Blocks

Official syllabus domains

UPV/EHU Syllabus

100 Questions

Practice bank size in OpenExamPrep

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Basque Country PAU Technology & Engineering II (UPV/EHU 2026) is a 90-minute university entrance exam assessing 2º Bachillerato syllabus domains.

Sample Basque PAU Technology & Eng II Practice Questions

Try these sample questions to review concepts for the Basque PAU Technology & Eng II exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A cylindrical steel specimen with a diameter of 10.0 mm (cross-sectional area A = 78.54 mm²) is subjected to a uniaxial tensile load of 31,416 N. What is the engineering tensile stress σ induced in the specimen?
A.800 MPa
B.200 MPa
C.400 MPa
D.100 MPa
Explanation: Tensile stress σ is defined as load divided by initial cross-sectional area (σ = F / A). Converting 31,416 N / (7.854 × 10^-5 m²) yields 400,000,000 Pa or 400 MPa.
2A copper rod with initial length L₀ = 2.0 m and cross-sectional area A = 50.0 mm² is pulled in tension by a 6,000 N force. Given Young's modulus E = 120 GPa for copper, what is the elastic elongation ΔL of the rod?
A.1.0 mm
B.4.0 mm
C.0.5 mm
D.2.0 mm
Explanation: Tensile stress σ = 6,000 N / (50 × 10^-6 m²) = 120 MPa. Hooke's Law gives strain ε = σ / E = 120 MPa / 120 GPa = 0.001. Elongation ΔL = ε × L₀ = 0.001 × 2,000 mm = 2.0 mm.
3In a standard tensile test curve of engineering stress versus engineering strain, what property corresponds to the maximum stress point prior to localized necking?
A.Ultimate tensile strength (UTS)
B.Yield strength (0.2% offset)
C.Proportional limit
D.Fracture stress
Explanation: Ultimate tensile strength (UTS) represents the maximum engineering stress the material can sustain before necking begins. Beyond UTS, stress decreases due to rapid localized cross-sectional area reduction until fracture.
4A Brinell hardness test is conducted using a 10 mm diameter hardened steel ball indenter under a load of 3,000 kgf. If the resulting indentation diameter d is measured as 4.0 mm, what is the approximate Brinell Hardness Number (HB)?
A.310 HB
B.229 HB
C.450 HB
D.150 HB
Explanation: Brinell hardness is calculated as load divided by indentation surface area: HB = 2F / [π D (D - √(D² - d²))]. Substituting F = 3000, D = 10, d = 4.0 yields HB = 6000 / [π × 10 × (10 - √(84))] = 6000 / 26.227 ≈ 228.8 HB.
5Which hardness test uses a square-based diamond pyramid indenter with an apex angle of 136° between opposite faces, applicable across soft and hard metals?
A.Shore scleroscope test
B.Brinell hardness test (HB)
C.Vickers hardness test (HV)
D.Rockwell B test (HRB)
Explanation: The Vickers hardness test uses a 136° square-based diamond pyramid indenter. The hardness HV is determined by dividing the applied load by the surface area of the microscopic square indentation.
6In a Charpy V-notch impact test, a 30 kg pendulum drops from a height of 1.5 m and swings up to 0.5 m after fracturing a specimen with cross-section A = 0.8 cm². Taking g = 9.81 m/s², what is the impact resilience K in J/cm²?
A.184 J/cm²
B.552 J/cm²
C.220 J/cm²
D.368 J/cm²
Explanation: Absorbed impact energy ΔE = m · g · (h1 - h2) = 30 × 9.81 × (1.5 - 0.5) = 294.3 J. Impact resilience K = ΔE / A = 294.3 J / 0.8 cm² = 367.875 J/cm² ≈ 368 J/cm².
7Why do body-centered cubic (BCC) carbon steels become dangerously susceptible to sudden brittle fracture when exposed to low sub-zero operating temperatures?
A.They undergo a sharp ductile-to-brittle transition as temperature drops below DBTT
B.Their Young's modulus drops to zero below 0 °C
C.Austenite decomposes into soft pure ferrite at low temperature
D.Impact energy absorption increases exponentially when cold
Explanation: BCC metals experience a Ductile-to-Brittle Transition Temperature (DBTT). Below DBTT, plastic slip becomes restricted, causing the material to absorb very little energy and fail by cleavage (brittle fracture).
8On a Wöhler S-N curve (stress amplitude versus number of cycles to failure), what does the endurance limit (fatigue limit) of a ferrous alloy signify?
A.The maximum energy absorbed during a single dynamic impact stroke
B.The maximum cyclic stress amplitude below which the component can endure infinite loading cycles without fatigue failure
C.The stress amplitude at which crack propagation reaches speed of sound
D.The static stress level at which instant yield occurs
Explanation: The endurance limit is the horizontal asymptote on an S-N curve for steel. Cyclic stresses applied below this threshold will theoretically never cause fatigue failure regardless of cycle count.
9What is the governing characteristic of the secondary (steady-state) stage of creep deformation in metallic components at elevated temperatures under constant load?
A.Complete elastic recovery when the applied load is removed
B.A rapidly decreasing strain rate caused by continuous work hardening
C.A constant creep strain rate caused by dynamic equilibrium between strain hardening and thermal recovery
D.An accelerating strain rate caused by necking and microvoid coalescence
Explanation: Secondary creep exhibits a constant strain rate (dε/dt = constant) because thermal recovery processes (dislocation climb and grain boundary slide) balance the strain hardening rate.
10A binary alloy of components A and B containing 40 wt% B is held at a temperature where phase α (10 wt% B) and phase β (70 wt% B) coexist. According to the lever rule, what is the mass fraction of phase α?
A.33.3%
B.66.7%
C.25%
D.50%
Explanation: By the lever rule, mass fraction W_α = (C_β - C₀) / (C_β - C_α) = (70 - 40) / (70 - 10) = 30 / 60 = 0.50 or 50%.

About the Basque PAU Technology & Eng II Exam

The Basque Country PAU Technology & Engineering II examination (Prueba de Acceso a la Universidad, UPV/EHU 2026) is the official standardized assessment for 2º Bachillerato students seeking university entrance in Spain. This practice bank provides 100 high-quality questions with full step-by-step explanations.

Exam sponsor: PAU Organising Commission of the Basque Country / UPV/EHU. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Written 90-minute standardized exam. Local practice items are an English-language MCQ study adaptation of the official open/semi-constructed Basque Country PAU paper, not an official translation or format simulation.

Time Limit

90 minutes (1.5 hours)

Passing Score

Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).

Exam / Certification Fees

EUR 86.33 ordinary registration fee (UPV/EHU 2026 PAU)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

100%

Technology & Engineering II

Questions covering technology & engineering ii concepts and applications.

Preparing for the Basque PAU Technology & Eng II Exam

What You Need to Know

  • Passing score: Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).
  • Assessment: Written 90-minute standardized exam. Local practice items are an English-language MCQ study adaptation of the official open/semi-constructed Basque Country PAU paper, not an official translation or format simulation.
  • Time limit: 90 minutes (1.5 hours)
  • Exam / certification fees: EUR 86.33 ordinary registration fee (UPV/EHU 2026 PAU) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Basque PAU Technology & Eng II: Suggested Study Strategy

1Review key 2º Bachillerato Technology & Engineering II concepts and authoritative definitions.
2Practice solving past open and problem-solving questions under timed 90-minute conditions.
3Pay attention to precise terminology and clear step-by-step reasoning in explanations.

Frequently Asked Questions

What is the registration fee for PAU Technology & Eng II in the Basque Country?

The fee is EUR 86.33 for ordinary registration for the PAU at UPV/EHU for 2026.

How is the PAU Technology & Eng II paper scored?

The paper is scored from 0 to 10 points. A minimum score of 4.0 points in the Access Phase is required to average with Bachillerato grades.

How long is the PAU Technology & Eng II exam?

The examination duration is 90 minutes (1.5 hours).

What languages are available for the exam at UPV/EHU?

The official exam paper is provided in Basque (Euskara) and Spanish (Castellano).