1. Heat Treating is a process used to.
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A. Harden and temper
steel.
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B. Stress relieve and
anneal steel.
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C. Change and / or improve
the characteristics, properties, qualities and
condition of metal alloys.
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D. A & B Above.
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2. Heating an alloy to a specified temperature,
hold / soaking for a specified time, cooling /
quenching at a specified rate, in a specified
medium, is known as.
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A. Hardening.
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B. Heat treating.
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C. Tempering.
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D. Stress relieving.
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3. List four cooling / quenching mediums. ( type
in your anwser ).
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A.
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B.
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C.
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D.
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4. A major difference between the hardening and
the annealing process is.
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A. The temperature to
which the alloy is heated.
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B. The soaking time at
temperature.
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C. The quench rate and
medium.
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D. Both A and B above.
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5. Match the desired outcome with the relevent
heat treating process.
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A. Increases tensile
strength.
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B. Increases
mallealbility.
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C. Increases toughness.
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D. Wear resistance.
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6. Select the heat treating process order for
which the quenching rate is from the quickest to
the the slowest.
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A. Annealing - Hardening -
Stress Releiving.
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B. Hardening - Normalizing
- Annealing.
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C. Tempering - Stress
Releiving - Case Hardening.
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D. Hardening - Annealing -
Tempering.
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7. Drawing refers to which heat treating
process.
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A. Normalizing.
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B. Stress releiving.
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C. Tempering.
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D. Hardening.
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8. All metal alloys are heat treatable.
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A. True.
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B. False.
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9. Welding in its self is a heat treating
process.
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A. True.
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B. False
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10. What does HAZ stand for? ( type in your
answer ).
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A.
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