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Metallurgy for Practical Applications
16問 • 1年前
  • Fern Hiebert
  • 通報

    問題一覧

  • 1

    A pure substance that cannot break down into other substances is:

    an element

  • 2

    How does a grain boundary form ?

    when two grains meet and their growth in that location stops

  • 3

    The formation of atoms into a definite pattern is a:

    space lattice

  • 4

    A body-centered cubic structure consists of:

    9 atoms, one at each corner and one in the centre

  • 5

    Pearlite consists of alternating layers of:

    ferrite & cementite

  • 6

    Allotropy occurs when steel changes from:

    both a) and b)

  • 7

    Which grain structure does low carbon steel have if it cools slowly from the molten state ?

    ferrite & pearlite

  • 8

    If you control the cooling rate, you can change mechanical properties such as:

    all of the above

  • 9

    What is the lower critical temperature of steel ?

    724°C (1333°F)

  • 10

    Why does the upper critical temperature of steel fluctuate between 723°C and 1130°C (1333°F and 2000°F)

    the carbon content of the steel

  • 11

    The trapped carbon in martensite causes the steel to be:

    extremely hard and brittle

  • 12

    The heat-affected zone (HAZ) is the area of base material which has had its microstructure and properties altered by:

    e) both a and c

  • 13

    What does multiplepass welding produce ?

    each successful pass refinrs the grains of the previous pass and produces finer grain structure

  • 14

    Which heat treatment occurs in still air ?

    normalizing

  • 15

    How much carbon can a BCC lattice structure contain ?

    0.0025%

  • 16

    A steel that is bluish in colour and has reduced ductility and increased brittleness is:

    blue brittleness

  • 100 official format practice questions.

    100 official format practice questions.

    Fern Hiebert · 100問 · 1年前

    100 official format practice questions.

    100 official format practice questions.

    100問 • 1年前
    Fern Hiebert

    SMAW Fillet Welds on Mild Steel

    SMAW Fillet Welds on Mild Steel

    Fern Hiebert · 25問 · 1年前

    SMAW Fillet Welds on Mild Steel

    SMAW Fillet Welds on Mild Steel

    25問 • 1年前
    Fern Hiebert

    SMAW and Oxyfuel Cutting on Mild Steel

    SMAW and Oxyfuel Cutting on Mild Steel

    Fern Hiebert · 23問 · 1年前

    SMAW and Oxyfuel Cutting on Mild Steel

    SMAW and Oxyfuel Cutting on Mild Steel

    23問 • 1年前
    Fern Hiebert

    SMAW Groove Welds on Mild Steel

    SMAW Groove Welds on Mild Steel

    Fern Hiebert · 20問 · 1年前

    SMAW Groove Welds on Mild Steel

    SMAW Groove Welds on Mild Steel

    20問 • 1年前
    Fern Hiebert

    GTAW Equipment Maintenance and troubleshooting

    GTAW Equipment Maintenance and troubleshooting

    Fern Hiebert · 31問 · 1年前

    GTAW Equipment Maintenance and troubleshooting

    GTAW Equipment Maintenance and troubleshooting

    31問 • 1年前
    Fern Hiebert

    GTAW Electrodes Filler Metals and Shielding Gases

    GTAW Electrodes Filler Metals and Shielding Gases

    Fern Hiebert · 28問 · 1年前

    GTAW Electrodes Filler Metals and Shielding Gases

    GTAW Electrodes Filler Metals and Shielding Gases

    28問 • 1年前
    Fern Hiebert

    Distortion

    Distortion

    Fern Hiebert · 23問 · 1年前

    Distortion

    Distortion

    23問 • 1年前
    Fern Hiebert

    Layout

    Layout

    Fern Hiebert · 9問 · 1年前

    Layout

    Layout

    9問 • 1年前
    Fern Hiebert

    Submerged Arc Welding (SAW)

    Submerged Arc Welding (SAW)

    Fern Hiebert · 20問 · 1年前

    Submerged Arc Welding (SAW)

    Submerged Arc Welding (SAW)

    20問 • 1年前
    Fern Hiebert

    GMAW on Mild Steel

    GMAW on Mild Steel

    Fern Hiebert · 19問 · 1年前

    GMAW on Mild Steel

    GMAW on Mild Steel

    19問 • 1年前
    Fern Hiebert

    FCAW and MCAW on Mild Steel

    FCAW and MCAW on Mild Steel

    Fern Hiebert · 13問 · 1年前

    FCAW and MCAW on Mild Steel

    FCAW and MCAW on Mild Steel

    13問 • 1年前
    Fern Hiebert

    The GTAW Process

    The GTAW Process

    Fern Hiebert · 29問 · 1年前

    The GTAW Process

    The GTAW Process

    29問 • 1年前
    Fern Hiebert

    2. 100 official format practice questions

    2. 100 official format practice questions

    Fern Hiebert · 62問 · 1年前

    2. 100 official format practice questions

    2. 100 official format practice questions

    62問 • 1年前
    Fern Hiebert

    GMAW FCAW & MCAW Groove Welds on Mild Steel

    GMAW FCAW & MCAW Groove Welds on Mild Steel

    Fern Hiebert · 8問 · 1年前

    GMAW FCAW & MCAW Groove Welds on Mild Steel

    GMAW FCAW & MCAW Groove Welds on Mild Steel

    8問 • 1年前
    Fern Hiebert

    Pattern Development

    Pattern Development

    Fern Hiebert · 15問 · 1年前

    Pattern Development

    Pattern Development

    15問 • 1年前
    Fern Hiebert

    Nickel Alloys and Clad Steels

    Nickel Alloys and Clad Steels

    Fern Hiebert · 9問 · 1年前

    Nickel Alloys and Clad Steels

    Nickel Alloys and Clad Steels

    9問 • 1年前
    Fern Hiebert

    Codes and Standards Part A & B

    Codes and Standards Part A & B

    Fern Hiebert · 31問 · 1年前

    Codes and Standards Part A & B

    Codes and Standards Part A & B

    31問 • 1年前
    Fern Hiebert

    Metal Identification

    Metal Identification

    Fern Hiebert · 32問 · 1年前

    Metal Identification

    Metal Identification

    32問 • 1年前
    Fern Hiebert

    問題一覧

  • 1

    A pure substance that cannot break down into other substances is:

    an element

  • 2

    How does a grain boundary form ?

    when two grains meet and their growth in that location stops

  • 3

    The formation of atoms into a definite pattern is a:

    space lattice

  • 4

    A body-centered cubic structure consists of:

    9 atoms, one at each corner and one in the centre

  • 5

    Pearlite consists of alternating layers of:

    ferrite & cementite

  • 6

    Allotropy occurs when steel changes from:

    both a) and b)

  • 7

    Which grain structure does low carbon steel have if it cools slowly from the molten state ?

    ferrite & pearlite

  • 8

    If you control the cooling rate, you can change mechanical properties such as:

    all of the above

  • 9

    What is the lower critical temperature of steel ?

    724°C (1333°F)

  • 10

    Why does the upper critical temperature of steel fluctuate between 723°C and 1130°C (1333°F and 2000°F)

    the carbon content of the steel

  • 11

    The trapped carbon in martensite causes the steel to be:

    extremely hard and brittle

  • 12

    The heat-affected zone (HAZ) is the area of base material which has had its microstructure and properties altered by:

    e) both a and c

  • 13

    What does multiplepass welding produce ?

    each successful pass refinrs the grains of the previous pass and produces finer grain structure

  • 14

    Which heat treatment occurs in still air ?

    normalizing

  • 15

    How much carbon can a BCC lattice structure contain ?

    0.0025%

  • 16

    A steel that is bluish in colour and has reduced ductility and increased brittleness is:

    blue brittleness