Description : Tissue conditioning materials: (Silicon lining materials) A. are more resilient than plastic acrylic B. can minimise any bacterial colonies
Last Answer : A. are more resilient than plastic acrylic
Description : Newer plastic materials for packaging contain cornstarch, which makes them more ____. a. sanitary c. expensive b. tough d. biodegradable
Last Answer : d. biodegradable
Description : What light that strikes the following materials clear plastic aluminum foil and tissue paper?
Last Answer : What is the answer ?
Description : What is the process of reclaiming materials such as metal glass paper and plastic and making new products with is called?
Last Answer : It is known as recycling.
Description : Are there any companies that make eco friendly plastic bags or ones made from recycled materials?
Last Answer : There are many companies out there who make eco-friendly plastic bags. You can check out www.reusablebags.com to find out more information. Better than using eco-friendly plastic bags are to use the reusable grocery bags that many retailers are now offering.
Description : Thermosetting plastic materials (A) Can be repeatedly melted (B) Is useful for melt casting (C) Cannot be melted after forming (D) Is useful for spinning
Last Answer : (C) Cannot be melted after forming
Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings
Last Answer : (C) Buckets
Description : Ceramic materials fabrication cannot be done by (A) Welding (B) Slip casting (C) Extrusion (D) Plastic pressing
Last Answer : (A) Welding
Description : Choose the optical fibre material from the given materials. a) Glass b) Plastic c) Silica d) Quartz
Last Answer : c) Silica
Description : The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as (A) Rigid (B) Tough (C) Ductile (D) Plastic
Last Answer : Option C
Description : Pick out the correct statement. (A) Materials exhibiting high elasticity obey Hooke's law (B) The elastic behaviour of rubber under compression is the same as its behaviour under tension (C) ... to its plastic deformation (D) The stress required to cause plastic flow in polycrystalline material is
Last Answer : Option B
Description : Classify plastic materials into two categories, describe their important properties and give two examples of each.
Last Answer : Ans: Plastic materials can be classified into thermoplastic and thermosetting plastics. Thermoplastic materials:- The properties of these plastic materials do not change considerably if they are melted ... forming elastic threads and films. Examples are Phenol formaldehyde (Bakelite), Epoxy resins.