Castilla y León PAU Technology and Engineering II Practice Questions - Castilla y León PAU Technology and Engineering II (Tecnología e Ingeniería II 2o Bachillerato) Exam - Castilla y León PAU Technology and Engineering II Practice Questions - Castilla y León PAU Technology and Engineering II (Tecnología e Ingeniería II 2o Bachillerato) Exam

Question 1

What does Hooke's Law state for an engineering material operating within its elastic limit under uniaxial tension?

Stress is directly proportional to strain Stress is inversely proportional to cross-sectional area squared Strain is proportional to temperature change only Stress is proportional to the square of plastic elongation

Correct Answer:

Stress is directly proportional to strain

Question 2

Which indenter geometry is standard for measuring the Brinell hardness (HB) of metallic materials?

A hardened steel or tungsten carbide spherical ball A 136-degree square-based diamond pyramid A 120-degree diamond cone with a spherical tip A sharp conical carbide chisel point

Correct Answer:

A hardened steel or tungsten carbide spherical ball

Question 3

What primary material property is evaluated using the standard Charpy pendulum impact test?

Notch toughness and impact energy absorption Electrical conductivity under cyclic loads Surface scratch resistance Creep strain rate at room temperature

Correct Answer:

Notch toughness and impact energy absorption

Question 4

What is the primary objective of an annealing (recocido) heat treatment in steel processing?

To relieve internal stresses, soften the metal, and increase ductility To maximize surface hardness while creating a brittle core To transform ferrite completely into un-tempered martensite To induce galvanic corrosion resistance by rapid quenching in saltwater

Correct Answer:

To relieve internal stresses, soften the metal, and increase ductility

Question 5

Under what condition does galvanic corrosion primarily occur between two metals?

When two metals with different electrode potentials are electrically connected in an electrolyte When a single pure metal is exposed to dry vacuum at high temperature When two identical metals are welded together using an identical filler metal When a polymer coating is applied evenly across an aluminum plate

Correct Answer:

When two metals with different electrode potentials are electrically connected in an electrolyte

Question 1

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Prepare with the Castilla y León PAU Technology and Engineering II Practice Questions - Castilla y León PAU Technology and Engineering II (Tecnología e Ingeniería II 2o Bachillerato) Exam practice quiz. This question bank includes 100 questions covering heat, fluid, pneumatic, valve, and steel. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Castilla y León PAU Technology and Engineering II Practice Questions - Castilla y León PAU Technology and Engineering II (Tecnología e Ingeniería II 2o Bachillerato) Exam

This practice set contains 100 questions from the matching question bank and focuses on heat, fluid, pneumatic, valve, and steel. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Castilla y León PAU Technology and Engineering II Practice Questions - Castilla y León PAU Technology and Engineering II (Tecnología e Ingeniería II 2o Bachillerato) Exam

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