Q: Give one reason why we cannot reuse boiling chips?
A: Boiling chips are small, porous stones that are made of calcium carbonate or silicon carbide. It is…
Q: definition of plastic and source and usage of plastic
A: Hydrocarbons: Polymers are essentially molecules that exist as very long chains. Most polymers are…
Q: What forming operation must be done to produce metallic tubing th have complicated cross-sectional…
A: We have given that What forming operation must be done to produce metallic tubing that have…
Q: Product: Nail Cutter 1. Why did we use metal in making nail cutterl? Why not ceramics or polymer?…
A: The solution is shown below
Q: What are the major groups of additives used in formulating plastics?
A:
Q: Propose a mechanism for the reaction of the prepolymer with the hardener.
A: The mechanism for prepolymer with hardener is given below. Step 1: Formation of secondary amine
Q: Solid
A: In this question we have to choose correct option of the above statement.Along with this we also…
Q: brief about device and application using conductive thermoplastic. make in 2 paragraph.
A: Thermoplastic is made up of polymer resins and a classification of plastic and on heating it becomes…
Q: Give two benefits of vulcanized rubber.
A: Vulcanization of rubber: It is a process in which the mixture of raw rubber is heated in presence of…
Q: What Is Batch process?
A: Batch process refers to a process that involves a sequence of steps followed in a specific order.
Q: Below is the polymer Teflon (used for non-stick coating) F F F F The monomer used to make the…
A:
Q: Moulds for blow moulding can be made using aluminium whereas moulds for injection moulding are…
A: injection molds should have a high accuracy match between shape parts so material stream is…
Q: Drain cleaner can potentially damage the integrityof stsinless steel . explsin how you would…
A: A drain cleaner is a chemical that unblock the clogged waste water drains. Clogs are often composed…
Q: Most polymerization reactions required a catalyst. O True
A: Those reactions in which small units called monomers react with each other to form macromolecular…
Q: Which process is used for making rolled sheets of plastics? a. blow molding b. compression molding…
A: Blow molding is a process to create hollow plastic objects . Compressed molding Is a molding process…
Q: powder pressing techniques should be used?
A: Uniaxial pressing includes the compaction of powder into a rigid die by applying pressure through a…
Q: Glass rods are fabricated by which of the following tech Drawing Blowing Pressing
A: Introduction : A glass rod is a Chemical equipment which is used to mixed the solutions in the…
Q: clumping b. If it did, w
A: According to the question, we need to determine the outcome of the following circumstances.…
Q: What is an advantage ofusing shielded metal arc welding?
A: Given: Shielded metal arc welding To find: Advantages Solution: SMAW is the short form used for…
Q: A) Compare the Thermoplastic & thermosetting plastics.
A:
Q: Non-stick lining of a sauce pan is due to halogen-polymer named as
A: Tetrafluoroethylene (TFE) Tetrafluoroethylene (TFE)Is a fluorocarbon chemical formula C2F4.
Q: The process of heat softening, molding and cooling to rigidness can be repeated for which plastics?…
A: Thermoplastics are plastic polymers that soften when they are heated, allowing for molding, and…
Q: Flax fibers are extracted using the process. O coiling O retting O finishing O ginning O sizing
A: Flax is a flowering plant and is a type of food and fibre crop. It is used to make linen bedsheets,…
Q: Rubbers, or elastomers, stretch readily to elongate by a factor of before breaking. 50 20 D 100 10
A: Rubbers, or elastomers, stretch readily to elongate by a factor of .....
Q: here are seven resin codes of the plastics and these codes are often indicated in the bottom of the…
A: Plastics are the non-biodegradable polymers. Being non-biodegradable, these need to be recycled so…
Q: List down one processing method for production of composite tubes made of fiber reinforced…
A: There are different method for production of composite tube
Q: s of carbon material p on carbon face seals. in equipment such a materials s were tested
A: Null and alternative hypotheses: There are 4 different carbon material types. Denote the true…
Q: what does chemical weathering not use?
A: Chemical weathering is caused by rain water reacting with the mineral grains in rocks to form new…
Q: a)I'm creating a product I want to be somewhat elastic and bendable but still a little firm. b)l…
A:
Q: What is the practical application of decorative coating? (With a diagram)
A: Decorative coatings for packaging began with simply metalizing polymer films and papers, which gave…
Q: Why plasticizers are added during the moulding of plastics ?
A: Plasticisers are added during moulding of plastics. Reason Plasticisers are low volatility liquid…
Q: Describe the microstructure present in a 10110 steel after heat to 900°C, quench to 300°C and hold…
A: Heat treatment is a process used to change the materials physical and chemical properties.…
Q: Consider that you need to use one of these casting to produce a widget of uniform high hardness and…
A: Answer cold mould on cold base with nucleating agent added
Q: Highest Baling Point ?
A: The temperature at which the vapor pressure of a liquid becomes equal to the atmospheric pressure is…
Q: Which of the following materials is most suitable for the manufact thermoplastic pipe? Briefly tell…
A: From the above three materials only one material is most suitable for the manufacture of…
Q: Which of the following statement is incorrect about forming operations of metal done below the…
A: If the metal foaming process is done below the recrystallization temperature then it is called cold…
Q: In a continuous fibre reinforced composite where the fibres are well aligned, the strength in the…
A: It is asked about the strength and stiffness of continuos fibre reinforced composite in transverse…
Q: a disposable spoon made from polyethylene thermoplastic polymer fabricated using plastic processing…
A: Answer - shaping process - Shaping is a separate manufacturing process that, like planing, is…
Q: * :Cone crusher is similar to jaw crushers gyratory crusher none of the above hammer mill
A: A crushing is a process which is generally used to minimize the size of any material. The type of…
Q: difference
A: This question is related to proteins.
The basic unit of the
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- Q: A veneer can be bonded to tooth structure or a metal subframe. a. True b. FalseCompare the mechanical and thermal properties and costs of PET and poly(trimethylene terephthalate) (PTT). (a) Can PTT be used as a substitute for PET in engineering thermoplastic applications? Please give a clear answer not too long. Thank youWhat characteristics made PCBs so useful for industry and what were they primarily used for?