PMMA Sample Specimen Preparation Work Instruction
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Questions and Answers

Who is responsible for ensuring the communication, training, and implementation of the work instruction within the QCD Polymer II Section?

  • Laboratory Technician
  • Section Head
  • SSV/DSV
  • Chemist (correct)

    • What is the responsibility of the SSV/DSV within the QCD Polymer II Section?

  • Ensuring communication, training, and implementation of the work instruction
  • Reviewing the document and ensuring it is up to date
  • Monitoring the proper implementation of the work instructions within the section (correct)
  • Preparing PMMA sample specimen using injection machine

    • What is the responsibility of the Laboratory Technician within the QCD Polymer II Section?

  • Preparing PMMA sample specimen using injection machine (correct)
  • Ensuring communication, training, and implementation of the work instruction
  • Reviewing the document and ensuring it is up to date
  • Monitoring the proper implementation of the work instructions within the section

    • Which role is responsible for reviewing the document and ensuring it is up to date within the QCD Polymer II Section?

    <p>Section Head</p> Signup and view all the answers

    What is the responsibility of the QCD Polymer II Section Chemist?

    <p>Ensuring communication, training, and implementation of the work instruction</p> Signup and view all the answers

    What is the temperature and duration for annealing PMMA specimen before conducting VST and DTUL analysis?

    <p>80°C for 24 hours</p> Signup and view all the answers

    What is the initial step for sample drying as per the work instructions?

    <p>Dry PMMA pellets using oven at 80°C for 24 hours</p> Signup and view all the answers

    Which apparatus is used to cut the PMMA specimen before annealing for VST analysis?

    <p>Incheon AN-50 Cutting Machine</p> Signup and view all the answers

    What is the purpose of cooling the specimens in the desiccator for 1 hour?

    <p>To measure VST and DTUL</p> Signup and view all the answers

    What must be done after collecting the specimen from the holder post cutting?

    <p>Start the cutting again</p> Signup and view all the answers

    What is the purpose of annealing the specimens in the oven?

    <p>To reduce internal stresses and stabilize the microstructure of the specimens</p> Signup and view all the answers

    What is the main responsibility of the Laboratory Technician within the QCD Polymer II Section?

    <p>Performing specimen annealing for various analyses</p> Signup and view all the answers

    What is the purpose of cooling the specimens in the desiccator for 1 hour?

    <p>To remove residual moisture from the specimens</p> Signup and view all the answers

    Who is responsible for ensuring proper waste disposal procedures within the QCD Polymer II Section?

    <p>QCD Polymer II Section Lab Technician</p> Signup and view all the answers

    What is the initial step for sample drying as per the work instructions?

    <p>Placing the samples in an environmental chamber</p> Signup and view all the answers

    What is the purpose of using safety glass, gloves, and safety shoe as mentioned in the process/instruction description?

    <p>To minimize the risk of physical injury during the analysis</p> Signup and view all the answers

    Which apparatus is NOT mentioned in the process/instruction description for the analysis of physical parameters like VST, DTUL, Charpy Impact Test, Tensile Strength, and Rockwell hardness?

    <p>Differential Scanning Calorimeter (DSC)</p> Signup and view all the answers

    What is the responsibility of the QCD Polymer II Section Lab Technician in the process/instruction description?

    <p>Drying PMMA pellets using the oven</p> Signup and view all the answers

    What is the initial step for sample drying as per the process/instruction description?

    <p>Drying PMMA pellets using oven at 80°C for 24 hours</p> Signup and view all the answers

    What must be done after collecting the specimen from the holder post cutting according to the process/instruction description?

    <p>Transfer the specimen to an air oven for annealing</p> Signup and view all the answers

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