Meisterprüfung Metalltechnik Practice Questions - Österreichische Meisterprüfung Metalltechnik für Metall- und Maschinenbau Exam - Meisterprüfung Metalltechnik Practice Questions - Österreichische Meisterprüfung Metalltechnik für Metall- und Maschinenbau Exam

Question 1

According to EN 10027-1, what does the designation 'S355J2+N' signify for a structural steel?

Structural steel with minimum yield strength of 355 MPa, Charpy V-notch impact energy of min. 27 J at -20°C, in normalized or normalized-rolled delivery condition Stainless steel with 35.5% chromium content, tested at +20°C with 27 J impact toughness, in quenched and tempered delivery condition Special tool steel with 355 HBW hardness, tested for high-temperature impact resistance at +200°C, in annealed delivery condition Structural steel with 355 MPa tensile strength, Charpy impact energy of min. 40 J at 0°C, in thermomechanically rolled condition

Correct Answer:

Structural steel with minimum yield strength of 355 MPa, Charpy V-notch impact energy of min. 27 J at -20°C, in normalized or normalized-rolled delivery condition

Question 2

Which material grade is designated by the standardized European material number (Werkstoffnummer) '1.4301' per EN 10027-2?

S235JR (Unalloyed non-structural carbon steel) X5CrNi18-10 (Standard austenitic chromium-nickel stainless steel) 16MnCr5 (Alloy case-hardening steel) 42CrMo4 (Quenched and tempered alloy engineering steel)

Correct Answer:

X5CrNi18-10 (Standard austenitic chromium-nickel stainless steel)

Question 3

What is the approximate chemical composition of the low-alloy heat-treatable steel '42CrMo4' (Werkstoffnummer 1.7225) designated per EN 10027-1?

0.042% carbon, 4.0% chromium, and 0.4% molybdenum 4.2% carbon, 4.0% chromium, and 4.0% molybdenum 0.42% carbon, 1.0% chromium (factor 4), and approximately 0.2% molybdenum 0.42% carbon, 4.0% chromium (factor 1), and 1.0% molybdenum

Correct Answer:

0.42% carbon, 1.0% chromium (factor 4), and approximately 0.2% molybdenum

Question 4

How is the chemical composition of the high-alloy stainless steel 'X2CrNiMo17-12-2' (1.4404) interpreted under EN 10027-1?

0.002% carbon, 4.25% chromium (factor 4), 3.0% nickel (factor 4), and 0.2% molybdenum (factor 10) 0.2% carbon, 1.7% chromium, 1.2% nickel, and 0.2% molybdenum 2.0% carbon, 17% chromium, 12% nickel, and 2% molybdenum 0.02% carbon (factor 100), 17% chromium, 12% nickel, and 2% molybdenum (direct percentages after prefix 'X')

Correct Answer:

0.02% carbon (factor 100), 17% chromium, 12% nickel, and 2% molybdenum (direct percentages after prefix 'X')

Question 5

What is the primary metallurgical mechanism and heat treatment sequence of case hardening (Einsatzhärten) for 16MnCr5 (1.7131)?

Carburizing (Aufkohlen) in a carbon-rich atmosphere at 880–950°C, followed by quenching (Abschrecken) and low-temperature tempering (Anlassen at 150–200°C) to create a hard, wear-resistant surface layer with a tough, ductile core Austenitizing at 1100°C, rapid water quenching, and high-temperature tempering at 600°C to achieve uniform through-hardness throughout the full cross-section Heating to 550°C in an ammonia gas atmosphere to precipitate chromium nitrides without structural phase transformation Heating to 723°C in an inert argon furnace followed by furnace cooling over 48 hours to eliminate internal stresses

Correct Answer:

Question 1

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Prepare with the Meisterprüfung Metalltechnik Practice Questions - Österreichische Meisterprüfung Metalltechnik für Metall- und Maschinenbau Exam practice quiz. This question bank includes 100 questions covering steel, structural, welding, cutting, and metal. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Meisterprüfung Metalltechnik Practice Questions - Österreichische Meisterprüfung Metalltechnik für Metall- und Maschinenbau Exam

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

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Meisterprüfung Metalltechnik Practice Questions - Österreichische Meisterprüfung Metalltechnik für Metall- und Maschinenbau Exam

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