Which of the following statement is incorrect about polymers? A The properties of polymers depend on the type of monomers. B The properties of polymers depend on the arrangement of the molecule monomers. © Within molecule, the carbon and hydrogen atoms are bonded together by hydrogen bonding. D None

Q: property of a material if, after being loaded, the material returns to its original shape when the…

A: Given

Q: 145) Which is not one of the stress - strain relations? a) semi-elastic b) elastic and full plastic…

A: Stress-Strain curve: Stress-strain curve represents the variation of the stress-strain due to the…

Q: Some Synthetic Rubbers Used in Construction.

A: Answer  synthetic rubbers are made of different types of compounds.

Q: Property of a fluid by which its own molecules are attracted is called (a) adhesion (b) cohesion (c)…

A: Cohesion- Cohesion is the intermolecular attractive force acting between two adjacent portions of a…

Q: The figure below is a phase diagram for alloys of aluminum and silicon Atomic percentage, com "C 10…

A: Given data:- The pro eutectic weight(%)=6% The silica weight % =94 The Aluminum alloy at =576°C

Q: Q 2// A) If a piece of steel having 0.8 % carbon has martensitic stucture can it be converted to…

A: Carbon is findout to be martensite with the proper heat treatment and the amount of carbon is…

Q: Which among the following is the structural deformation measured in torsion-loaded bodies? Change in…

A: Torsional shearing stress  Torque  Bending  Angle of twist

Q: Materials are generally classified into three categories based on the predominant types of bond.…

A: The materials are classified into three categories, they are Metals Inorganic solids Organic solids…

Q: e force as a vector, point of application and line of action. Analyze coplanar ....

A:

Q: 8.58 Why are isotactic or syndiotactic polymers often more attractive for materials development?

A: Isotactic polymers are those where all of the functional groups are on the identical side.

Q: Which of the following is NOT a linear molecule? * O co2 BeH2 CS2 oC12

A: OCl2 is not a linear molecule

Q: Two forces are said to be coplanar if their

A: The force system gives an overview of different forces acting on the structure. At some points, it…

Q: * The mole is to the chemical amount as the gram is to mass False True

A: In this question a statement about basic definition of mole is asked

Q: Two uniform spheres are positioned as shown. Determine the gravitational force F which the titanium…

A:

Q: 13 When an external force acts on a body, it undergoes deformation. At the same time the body…

A:

Q: The following statements are true about the structure of metals, EXCEPT: O The knowledge of metal…

A: this question is asking about statement regarding about metal structure.

Q: Determine whether the crystal structure of Metal X is BCC, FCC, or simple cubic.

A: solid structure:

Q: Linear variable differential transformers (LVDTs) are used in some laboratory experiments. What is…

A: LVDT (Linear Variable Differential Transformer): Linear Variable Differential Transformer is a type…

Q: A hydrocarbon (Alkene) is used as a monomer to prepare a chain-growth polymer with molecular weight…

A: The type of polymer is Low density polyethylene.

Q: It is a structural system that is often used in buildings and mainly composed of beams and columns…

A: To Choose correct option from the given options.

Q: 10)Which of the following statements are correct regarding the Adhesive bonding process? a. Bonding…

A:

Q: In the elastic range of a material, if the load is removed the material will. a. Remain in its…

A:

Q: Briefly cite the main differences between ionic, covalent, and metallic bonds.

A: The concept of ionic, covalent and metallic bonds is based on valence electrons and the manner in…

Q: Material Classifcation By Bond Type

A: Types of bonds, Stretcher bond, Header bond, English bond, main features of English bond,…

Q: O hygroscopicity moisture content O water absorption permeability O O O

A: A multiple choice questions is given and it has been asked to determine most appropriate answer.…

Q: 2: Your alloy contains 60% Ag and is at temperature 778.9°C a) Hypoeutectic or Hypereutectic? b)…

A: Given data,            alloy contains =60% Ag = WAg             Temperature=T=778.9˚c( just below…

Q: 1: Your alloy contains 60% Ag and is at temperature 779.1°C a) What phases are present in the alloy…

A:

Q: Ceramics are referred to as refractory materials. These are known to withstand high amounts of…

A: Ceramics can withstand high temperatures because they are good thermal insulators, and they do not…

Q: Note: Express your answer in terms of the units. Observe 3 decimal places. The error threshold is…

A: For any mechanism problem when it rested on the ground or at the sloping surface then it shows the…

Q: stress distributi e80 MPa.

A: Given data Extension length=40mm from the neutral axis σy=280MPa

Q: The center of earth (core) is believed to be composed of .nickel ......... iron and O or O not O no…

A: The centre of earth is composed of 80% of iron and 20% of nickel

Q: Plasticity means: The property that indicates that the material does not crack or break after a…

A: Plasticity means an effective load which cause deformation in material beyond elastic limit and the…

Q: :Which statement is true .1 Molecular spacing of solids and fluids are comparable compared to each…

A: Option 4 is correct : Intermolecular spacing in case of solids is very less when compared it with…

Q: -Chemical name of plaster of paris is calcium sulfate hemihydrate because -----is attached with…

A: Half molecule of water.

Q: Piano strings are made of a fibre which is pulled taut. When the string is tapped in the centre by a…

A: Given, e = 0.2% σ = 100 MPa

Q: 4 It is the ability of a material to absorb energy and plastically deform without fracturing. One of…

A:

Q: The minimum safe bending radius of a certain polyethylene tube is theoutside diameter times 31⁄2.…

A: Given:- minimum safe bending radius = D*31/2 D=outside diameter=3/8 inch To find:- minimum bending…

Q: Calculate the density of iron, given that it has a BCC crystal structure, anatomic radius of 0.124…

A: Given data- Iron element  BCC crystal structure. Atomic radius (r) = 0.124 nm Atomic mass (M) = 55.9…

Q: The following are the primary factors that determines the properties of polymers, EXCEPT: Polymer…

A: Factors that affects properties of polymers are ; 1. Polymer chain structures : When large amount…

Q: 1. Which of the following is a weak acid? O H2SO4 O H2CO3 О но O HBr

A: H2CO3 is a weak acid

Q: It is a measure of a fluid's resistance to deformation under shear stress. For example, crude oil…

A:

Q: materials absorb shock or energy and they give warning prior to failure. O a. Ductile O b. Concrete…

A: Explanation Ductile materials takes and tension and it absorbs shock and also energy and it thus…

Q: QUESTION 6 A material has a Young Modulus (E), and a yield stress of o yield. नेह Calculate the…

A: Modulus of resilience The modulus of resilience is the maximum amount of energy that may be absorbed…

Q: The polyvinyl chloride bar is subjected to an axial force of 900 lb. If it has the original…

A: Given:- Axial force = 900 lb Δu = 0.01° decrease Epvc = 800* 103 psi. To find:- μ