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Plastic Processing Operator Practice Test: Injection Moulding
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Plastic Processing Operator Practice Test: Injection Moulding
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25 Questions

1. Which is the heart of a mould?
2. What do you mean by the depth of an injection moulding screw?
3. Which zone is functioned as a positive displacement pump?
4. Which part connects cavity to runner?
5. Which material is used to rated in an injection moulding machine?
6. What is the name of clamping system is that there is no limitations on the mould platen size?
7. What is the name of fixing outlet end of the nozzle?
8. Which clamping system is called positive clamping system?
9. What is the name of called the forward speed of the screw during its injection operation?
10. What is the definition of day light?
11. What is the name of called the maximum weight of plastic can be injected by single product?
12. What is the name of component responsible for keeping the oil free of solids contamination?
13. Which is the remedy for short shot defect in injution moulding?
14. What is the name of heart of hydraulic system?
15. What is the function of Tie bar?
16. What is the sequence approach for maintenance?
17. What is the clearance between screw and the barrel?
18. which part convert fluid flow into mechanical movement in a hydraulic system?
19. Which unit is including knockout pins, stripper, blades etc.?
20. What is the remedy for warpage defect in injection moulding?
21. What is the function of Torpedo?
22. what is the function of positive displacement pump used in hydraulic system?
23. Which zone act as positive displacement pump?
24. What terminology is used to express the clamping force of injection moulding?
25. What is the function of a plunger in hand injection moulding machine?

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