PMMA Sample Specimen Preparation Work Instruction
20 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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 (C)</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 (D)</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 (D)</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 (C)</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 (D)</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 (C)</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 (D)</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 (A)</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 (D)</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 (C)</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 (C)</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 (C)</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 (A)</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) (C)</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 (A)</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 (C)</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 (B)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser