Compared to thermoplastics, thermosets are more rigid, brittle, capable of higher service temperatures, and cannot be remelted.   Question 25 options:   True   False

Q: Make introduction First paragraph: Generally, explain thermoplastic fundamental and their demand in…

A: These are a kind of plastics which can be recycled under the influence of heat many a times and…

Q: Define the term Elastoplastic?

A: Elastoplastic stress is defined as the stress between the elastic stress and its breaking stress of…

Q: Which of the following is rubber structure? What is the other material? Why does rubber have a large…

A: The crystal structure of two materials given in the question, and we know that a crystal structure…

Q: a) Calculate the degree of Polymerization when an average molecular weight of a Polymer is 23040…

A: The molar mass of the the monomer C8H8O4 can be calculated as : ⇒molar mass =8×mass of carbon…

Q: A steel plate used for polymer forming is to be bent into a circular shape having an inside radius…

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Q: how the plastic bostretches under a range of tensional forces

A: To explain:How the plastic bostretches under a range of tensional forces?

Q: Thermal plastics are stronger than thermoset plastics.

A: No, Thermal plastics are not stronger than thermoset plastics.

Q: sketch the generalized stress-strain curve for a semi-crystalline thermoplastic polymer.

A: Solution:   The Generalized stress-strain curve with points labeled for a semi-crystalline…

Q: Question 1 Grade 304 stainless steel is used to manufacture a component for an  industrial…

A: Composition is the mixture of two ingredients or elements. For different cast irons mostly silicon…

Q: 1. The rocker or roller support is commonly used for supporting one end for trusses to allows…

A: From the given data above, statement-1 :- Roller support allows to movement in axial direction and…

Q: The thermal expansion properties of polymers are generally ____________________ as those of metals?…

A: Given Statement:-  The thermal expansion properties of polymers are generally ____________________…

Q: Describe the difference in mechanical properties as a function of temperature between a highly…

A: Plastics are used for various types of industrial work as well as day-to-day life.

Q: What two changes occur with regard to EAC behavior of PVC and polyethylene water and gas…

A: Polyvinyl chloride or the PVC is made by adding plastic and vinyl, so it is named polyvinyl…

Q: 01: Consider a unidirectionally reinforced glass fiber/epoxy composite. The fibers are continuous…

A: Given data  For fiber Fiber volume= 60% Tensile strength = 1Gpa Young's modulus = 70 Gpa For epoxy…

Q: What is polymers?

A: Polymers are basically substance that contains a large number of structural units, those units are…

Q: Question 12 An example of a composite material is: o Mercury o Polyvinylchloride o Wood o An…

A: as per our guidelines solved one question only    mercury is not a composite material the definition…

Q: Identify a minimum of two structural characteristics and two mechanical characteristics that set…

A: Elastomers are basically the subclass of polymers that possess elastic properties. Elastomers…

Q: How is the characteristics of the stress-strain curve of concrete under axial compression?Please…

A: The stress-Strain curve for the concreate under axial compression loading is as shown in the above…

Q: Identify which is typically tougher: a semicrystalline or an amorphous polymer.

A: The difference between the given polymer types lies in their molecular structure. Amorphous material…

Q: What is the purpose of a plasticizer, and what specific effect on room temperature behavior is…

A: Plasticizer: It is a colorless odorless component used mainly used along within raw materials to…

Q: How to produce composite material using graphene?

A: When a material comprises of two or more other materials at a "microscopic" level/scale such that…

Q: Composite materials must contain more dispersed material and less matrix material. Select one: O…

A: The matrix phase of a composite fabric may be a metal, a polymer or ceramic. Matrix stage is…

Q: xplain cross-linking, branching, linear polymers, and chain stiffening?

A: This question is based on the concept of polymers from material science.

Q: What are 'elastomers'? What are their distinguishing

A: introduction: Rubber tyres and tubes for automobiles, motorcycles, bicycles, and recreational…

Q: A manufacturer plant to produce a new thermoplastic product. Select a suitable processing method…

A: Given:- Thermoplastic products   To find:- Manufacturing method used for thermoplastic product

Q: b. i. Calculate the tensile modulus of elasticity of a unidirectional Kevlar-49 fibers epoxy…

A: Given:Vm=0.63Vf=0.37Em=189.8 GPaEf=3.8 GPa

Q: Why do thermoplastic polymers start to turn white as they are plastically deformed?

A:

Q: How does the degree of cross-linking affect the mechanical properties of a tough polymer?

A: Degree of cross-linking in Polymer: Cross-linking refers to the process of chemically bonding…

Q: Thermoplastics cannot be remelted and remolded. O True False

A: Given: Thermoplastics cannot be remelted and remolded. To find: True or false.

Q: What is the elastic perfectly plastic material?

A: Elastic perfectly plastic material is the material whose yield stress remains unchanged even…

Q: Which of the following are incorrect regarding the crystallinity and mechanical behavior of…

A: Molecules of the polymer are in a frozen state at low temperatures where these molecules can vibrate…

Q: Which statements are correct regarding the mechanical properties of polymers?

A: Polymer: Polymers are created by the process of polymerization process by adding constituent…

Q: Differentiate thermoplastics and thermosetting plastics with example materials .

A: Thermoplastic Vs Thermosetting plastics :- 1).Thermo plastics:- i). They are getting soft when…

Q: Carbon fibers are used to reinforce with the matrix in the fiber-reinforced polymers.

A: Carbon fiber reinforced polymers  are composite materials. In CFRP the reinforcement is carbon…

Q: Rubber is used for making automobile tires, gaskets and seals. Select the properties that are…

A: Solution:

Q: 8/ What is the principal difference between the two subdivisions of the polymeric composites: therm…

A: 8.1 answer Two types of polymers are used as matrix materials for fabrication composites:…

Q: There are three main sub-groups of engineering polymers with distinct differences in their…

A:

Q: 8. a. DEHP can make PVC more flexible. Explain what happens at the molecular level that can explain…

A:

Q: What fiber fraction would be required for a composite with titanium fibers in a polycarbonate matrix…

A:

Q: Which one below is true for thermoplastic polymers? * O They do not soften when heated and do not…

A: Thermoplastic polymer are those polymer which can be reshape on applying heat. On the other hand…