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Organisation : Surat Urban Development Authority
Exam : PLA 705
Document Type : Model Question Paper
Category or Subject : Plastics Product And Mold Design Theory

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Plastics Product & Mold Design Model Question Paper :

Duration: 60 Minutes
Maximum Marks 50
Each question carries 2 marks

Related : Surat Urban Development Authority Hand Embroider Model Question Paper :

Question 1-5 : Fill in the blanks
1. Feed system is
(a) Flow path from runner to impression.
(c) Nothing but moulding and gate.
(b) Melt flow path which connects nozzle with the impression.
(d) None of the above.

2. Design is the
(a) Duplication of drawing.
(c) Product of creative thinking.
(b) Making 2D drawing to 3D.
(d) All of the above.

3. Shot weight is referred as
(a) Wt. of the mold.
(c) Wt. of the machine.
(b) Wt. of the molding(s) and feed system.
(d) Wt. of the molding.

4. Mold venting is nothing but the
(a) Provision for escape of air & gas from the mold cavity.
(c) Heating of the mold.
(b) Provision for allowing air to enter in to the mold cavity.
(d) None of the above.

5. Clamping force is nothing but
(a) Projected area X effective injection pressure.
(c) Pressure by unit area.
(b) Force acting on the injection side of the mold.
(d) None of the above

Question 6-10 : Short Answer questions
6. Define Engineering drawing? An engineering drawing a type of technical drawing, is used to full and clearly define requirements for engineered items.
7. What is the size of B0 drawing board? 1414 mm x 10mm.
8. Expand B.I.S? Bureau of Indian standards.
9. What is the thickness of B3 drawing board? 25 mm.
10. What is the size of A3 size paper? 420mm x 297mm.

Question 11-14 : Fill in the blanks
11. What is the use of steel rule
(a) To measure angle.
(c) To measure length
(b) To measure radius.
(d) All of the above.

12. What is the use of T-square?
(a) To measure right angle.
(c) To measure length
(b) To measure radius.
(d) All of the above.

13. What is the use of bevel protractor?
(a) To measure angle.
(c) To measure length
(b) To measure radius.
(d) None of the above.

14. Why work shop safety comes first?
(a) To save others from hazardous
(c) To save organization from hazardous
(b) To save yourself from hazardous.
(d) All of the above.

Question 15-25 :Short  questions & Answer

15. What is the least count of Micrometre?

16. What is product design?
Product design as a verb is the process of creating a new product to be sold by business to its Customers. A verybroad concept, it is essentially the efficient and effective generation and development of ideas through a process that leads to new products.

17. Aesthetic plays a important role in product design. (True/False)

18. What are primary concepts for product design?
The design process follows a guideline involving three main sections :

19. What is Metrology?
Metrology is the science of measurement Metrology includes all theoretical and practical aspects of measurement.

20. What is Inspection?
Critical appraisal involving examination, measurement, testing, gauging, and comparison of materials or items. An inspection determines if the material or item is in proper quantity and condition, and if it conforms to the applicable or specified requirements.

21. What is Plastics?
Plastic is a material consisting of any of a wide range of synthetic or semi synthetic organics that are malleable and can be molded into soild objects of diverse shapes.

22. What is Polymer?
A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Because of their broad range of properties, both synthetic and natural polymers play an essential and ubiquitous role in everyday life.

23. All plastics are polymers, but all polymers are not plastics. (True/False)

24. What do you mean by Elastomers?
An elastomer is a polymer with viscoelasticity (having both viscosity and esasticity).

25. Write down the classification of Thermoplastic materials?
1. Amorphous thermoplastic polymers
2. Semi-crystalline thermoplastic.

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