Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Teaching & Learning Packages Casting Questions
Casting AimsBefore you startIntroductionHeat transferHeat transfer simulationMicrostructure and segregation in castingsSand castingDie castingContinuous castingInvestment castingOther methods of castingSummaryQuestionsGoing further
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Questions

Quick questions

You should be able to answer these questions without too much difficulty after studying this TLP. If not, then you should go through it again!

  1. What is the Biot number equal to?

    a hL/K
    b Kh/L
    c K/Lh
    d h/KL

  2. What is h?

    a heat transfer coefficient
    b heat flux
    c heat capacity
    d latent heat
    e thermal conductivity

  3. Which is the first solid to form in a casting?

    a Equiaxed zone
    b Columnar zone
    c Chill zone
    d Pipe

  4. Which casting method uses a wax pattern?

    a Sand casting
    b Die casting
    c Investment casting
    d Continuous casting

  5. Which gas is often used to harden sand casting moulds ?

    a Hydrogen
    b Carbon Monoxide
    c Oxygen
    d Carbon Dioxide

  6. Cold chamber is a type of which casting method?

    a Sand casting
    b Die casting
    c Investment casting
    d Continuous casting

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