1. The soft and semi solid plastic is injected into mould by _________
Correct Answer is : Plunger
2. Very delicate and intricate shapes can be produced in transfer moulding due to ___________
Correct Answer is : Plasticized mix flows very slow into the mould
3. A hot, softened thermo plastic tube is called as _____________
Correct Answer is : Parison
4. The article in the transfer moulding are __________
Correct Answer is : Cured uniformly
5. Extrusion moulding is for __________
Correct Answer is : Thermo plastic resins
6. Blowing otherwise called as _________
Correct Answer is : Bubble casting
7. Thermo forming technique is used for fabricating __________
Correct Answer is : Three dimensional articles
8. Thermo forming method is a combination of __________ and __________
Correct Answer is : Extrusion moulding, compression moulding
9. Blistering is almost eliminated in the __________
Correct Answer is : Transfer moulding
10. Which of the following is not the part of the transfer moulding device?
Correct Answer is : Spreader
11. Plastics are the materials obtained by mixing the __________ with the other ingredients which impart special engineering properties.
Correct Answer is : Resin
12. Plastics are ________ in weight.
Correct Answer is : Light
13. The fabrication cost is __________ for plastics.
14. The abrasion resistance of the plastic is ____________
15. The plastics are _________
Correct Answer is : Insulators
16. Plastic resin is used in the paint industry as _________
Correct Answer is : Ion exchanger
17. How many types of plastic resins are there?
18. Thermo plastics becomes ________ on heating.
19. The heating and cooling of the thermo plastics _________the chemical nature.
Correct Answer is : Do not alters
20. Thermo setting plastics are formed by_________
Correct Answer is : Step polymerisation