Aircraft Metals Technology Journeyman

98 Questions | Total Attempts: 75

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Technology Quizzes & Trivia

Volumn 1, first 100 questions


Questions and Answers
  • 1. 
    Physical properties in metals are the properties that are
    • A. 

      Changed by either heat treatment or cold working

    • B. 

      Not changed by heat treatment or cold working

    • C. 

      Changed by cold working only

    • D. 

      Changed by heat treating only

  • 2. 
    If a metal has a composition of 43% Fe, 1 % C, and 0.2% Ni, what type of metal is it?
    • A. 

      Ferrous

    • B. 

      Nonferrous

    • C. 

      Nickel alloy

    • D. 

      Titanium alloy

  • 3. 
    If a metal has a composition of 15% Cr, 1% C, 0.21% Fe and 20% Ni, what type of metal is it?
    • A. 

      Ferrous

    • B. 

      Nonferrous

    • C. 

      Titanium alloy

    • D. 

      Aluminum alloy

  • 4. 
    The difference between cast iron and cast steel is that
    • A. 

      Cast iron contains more than 2% C

    • B. 

      Cast steel contains more than 2% C

    • C. 

      Cast steel has more hardening properties

    • D. 

      Cast iron is more malleable

  • 5. 
    The mechanical properties of a metal are determined by the
    • A. 

      Grain structure

    • B. 

      Alloying elements

    • C. 

      Chemical analysis

    • D. 

      Chemical compound

  • 6. 
    At room temperature, cementite grain structure
    • A. 

      Contains a carbon content below .80%

    • B. 

      Contains alternating layersof Fe and Fe3C

    • C. 

      Is a mechanical mixture

    • D. 

      Has no iron carbides

  • 7. 
    When the elements of a metal are absorbed into each other, and the individual components cannot be seen, you have a
    • A. 

      Chemical compound

    • B. 

      Mechanical mixture

    • C. 

      Solid solution

    • D. 

      Pure metal

  • 8. 
    A metal's resistance to a high number of cyclic loads is known as
    • A. 

      Compressive strength

    • B. 

      Tensile strength

    • C. 

      Fatigued strength

    • D. 

      Shear strength

  • 9. 
    What must be done to molten metal to form a cast product?
    • A. 

      Pour it into a mold

    • B. 

      Solution treat it

    • C. 

      Cold work it

    • D. 

      Anneal it

  • 10. 
    Metal products shaped by force while in the solid state are clasified as
    • A. 

      Machined

    • B. 

      Wrought

    • C. 

      Molded

    • D. 

      Cast

  • 11. 
    Metal that is worked after casting is considered
    • A. 

      Machined

    • B. 

      Wrought

    • C. 

      Molded

    • D. 

      Welded

  • 12. 
    The process of pulling heated metal through a series of dies to produce a desired shape is known as
    • A. 

      Rolling

    • B. 

      Forging

    • C. 

      Piercing

    • D. 

      Drawing

  • 13. 
    What test involves the application of a slowly applied load along a sample's axis?
    • A. 

      Shear

    • B. 

      Static

    • C. 

      Tensile

    • D. 

      Elastic

  • 14. 
    What is the weight of the minor load when testing for hardness using a Rockwell tester?
    • A. 

      5 kg.

    • B. 

      10 kg.

    • C. 

      60 kg.

    • D. 

      150 kg.

  • 15. 
    When a Rockwell tester is used for hardness testing, lack of surface uniformity results in
    • A. 

      Soft spots

    • B. 

      Hard spots

    • C. 

      Errouneous readings

    • D. 

      Errouneous minor load settings

  • 16. 
    What scale is used on a Rockwell hardness tester for testing metals of unknown hardness?
    • A. 

      A.

    • B. 

      B.

    • C. 

      C.

    • D. 

      E.

  • 17. 
    If you notice that the Brale penetrator is chipped, you should
    • A. 

      File it

    • B. 

      Hone it

    • C. 

      Burnish it

    • D. 

      Replace it

  • 18. 
    What type of penetrator may you have if you get consistantly low readings with the Rockwell tester?
    • A. 

      Flattened Brale

    • B. 

      Chipped Brale

    • C. 

      Flattened ball

    • D. 

      Chipped ball

  • 19. 
    The main difference between the SAE and AISI coding system is
    • A. 

      AISI prefix identifies the chemical composition only

    • B. 

      SAE prefix identifies the physical composition only

    • C. 

      AISI prefix indicates the manufacturing process

    • D. 

      SAE prefix indicates the manufacturing process

  • 20. 
    What metal identifictaion system uses a letter designator to seperate metals into 18 different family groupings?
    • A. 

      AISI

    • B. 

      JAN specifications

    • C. 

      Federal specification numerics code

    • D. 

      UNS

  • 21. 
    When classifying heat treating furnaces, one variable is the
    • A. 

      Air condition

    • B. 

      Furnace load

    • C. 

      Type of pyrometer

    • D. 

      Type of thermocouple

  • 22. 
    Circulating air furnaces are limited to operations that require
    • A. 

      Carburizing atmospheres

    • B. 

      Reactive atmospheres

    • C. 

      High temperatures

    • D. 

      Low temperatures

  • 23. 
    When heat treating, using a reactive atmosphere results in chemical
    • A. 

      Inertness

    • B. 

      Blending

    • C. 

      Reduction

    • D. 

      Movement

  • 24. 
    What is the primary benefit of an oxidizing reactive atmosphere?
    • A. 

      Reduces reactivity

    • B. 

      Increases inertness

    • C. 

      Aids in hardening

    • D. 

      Lowers cost

  • 25. 
    Would you use a nitrogen atmosphere for hardening stainless steel? why?
    • A. 

      Yes, aids in chemical properties

    • B. 

      Yes, to case-harden high carbon steels

    • C. 

      No, may result in surface blistering

    • D. 

      No, produces undesirable properties in metals

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