uestion 1: Circle the appropriate answers: (mark) 1. Product variety (P) refers to the: a. Different product types or models b. Different product materials c. Difference in product aesthetics 2. Total solidification time TST is: a. time required for casting to solidify atter pouring b. time required to cool to room temperature after solidification 3. Powder motallurgy is a metal processing technology in which: a. Parts are produced by ceramic particles b. Parts are produced by molten material c. Parts are produced by metal particles 4. Laminated glass is: a. Sandwich of glass with metal sheet b. Sandwich of two pieces of glass on either side of the tough polymer sheet c. Glass tempered to achieve high toughnoss 5. Polymer melt acts like a Newtonian fluid (Y/N) 6. Increasing temperature increases viscosity of the polymer melt (Y/N) 7. Investment casting process is also known as lost wax process ( Y/N ) 8. In permanent mold process, mold is consumed ( Y/N ) 9. Composite material is : a. Material composed of same type of materials b. Material composed of two or more distinct materials 10. Float glass process is a continuous glass manufacturing process (Y/N) 11. Tempering of glass increases its toughness (Y/N) 12. Polymer materiat has significant shrinkage during cooling (YiN) 13. Secondary composite phase may be fiber, particle or flake form (Y/N) 14. In some cases, interphase material is used to bond the phases in the cornposite material (Y/N) 15. Stereolithography is a liquid-based 3D printing process (Y/N) 16. The use of noninvasivo techniques to determine the integrity of a material, component of structure quantitatively measure some characteristic of an object (Y/N) 17. Fusion welding process is a Joining process that melt the base metals (YNN) 18. Curing is required of all thermosetting resins used in FRP laminated composites (Y/N)