1- -- has higher tensile modulus. а- Ероху b- polyvinylchloride c- polypropylene 2- - has lower tensile strength. а- Ероху b- polyvinylchloride c- polypropylene

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Q: Which polymer group is in engineering thermoplastics? A High density polyethy le ne,…

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Q: Gasoline with an octane number of 92 has the same knocking tendency as a mixture of iso-octane and…

A: Given that, The octane number of gasoline = 92 It is required to calculate the weight percent of…

Q: Which of the following is not correct statement? O a. Ductility will decrease if the carbon…

A: (a) Ductility will decrease if the carbon percentage increase in plain carbon steel. (b) Stainless…

Q: 3- has brittle behavior. O polyvinylchloride O polyethylene O polypropylene

A: Brittle behavior represents the manner in which the material breaks without showing deformation.

Q: Which of the following materials combinations are most likely to fail due to excessive wear in the…

A: To find The material combination most likely to fail due to excessive wear in the short-medium term…

Q: Glass is substance.

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Q: Determine the sphericity of cyclindrical particle of length equal to its radius.

A: Sphericity of an object is the measures of how spherical the object is in actual. It is an important…

Q: Paraffin waxes are used as external lubricant because: * -Improve dispersion of other additives…

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Q: Derive the dimension ratio c/a for regular HCP crystal.

A: HCP crystal Lattice or Hexagonal Closed Packing Lattice is shown below. It is said to find the…

Q: Explain how a molecule that contains polar bonds can be nonpolar.

A: Polarity is the segregation/separation of electric charge resulting in a molecule or its chemical…

Q: bläi 3 Comparing polymers to ceramic , compoiste and metals, one can * :find that the polymers have…

A: The correct option regarding the properties of the polymer as compared to other materials is to be…

Q: While iron and its alloys have a limit on why fatigue strength, in non-ferrous materials there is no…

A: Ferrous and Non-ferrous material has different mechanical behavior.

Q: Fuel-oxidant ratio affects _____________ and _______________. flame's temperature, viscosity flame's…

A: Answer: Flame`s temperature and explosive limit pressure

Q: Generally for gases, higher temperature results in density. * O higher O neither higher nor lower O…

A: Explanation: Gases are compressible fluid whose molecules are separated and random in motion. When…

Q: A sample of aluminum foil contains 8.50 X 10^23 atoms. What is the mass of the foil?

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Q: Which of the following are add to the polymers to manufacture reinforced polymer composite…

A: which of the following are added to become reinforced polymer composite.

Q: 2- has lower tensile modulus. * О Ероху O polyethylene O polypropylene

A: Tensile modulus, also referred to as elastic modulus, young's modulus, or modulus of elasticity in…

Q: How can we remove the material reversibly adsorbed on carbon or other adsorbents?

A: When particles are diffused on a solid’s surface, the phenomenon is known as adsorption. The solid…

Q: What is the difference between the melt temperature of a pure metal and an allo

A: alloy typically refers to metals that are formed from a mixture of two or more elements. One of the…

Q: What are called solid solutions? Write a short note on tungsten carbide alloys.

A: In the given question solid solutions are to be explained along tungsten carbide alloys have to…

Q: Solubility of gases in water increases with increasing mass. Explain?

A: The force of attraction between the gas molecules is weak which are primarily London dispersion…

Q: Use diagrams to explain the below: 1- Explain the microstructure of high density polyethylene…

A: HDPE is a form of polyethylene, which is the most popular plastic, accounting for more than 34% of…

Q: Why are covalently bonded materials generally less dense than those that are bonded ionically or…

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Q: Explain the significance of hydrogen bonding for water’s unusual thermal properties.

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Q: Which of the following stament is true for the used additives for the thermoplastics? Fillers…

A: Thermoplastics are plastic polymers that become soft when heated and hardens on cooling. Additives…

Q: 4- has ductile behavior. * О Ероху O polyethylene O polypropylene

A: Ductility is the ability or property of material to drawn into thin wires. in more technical terms…

Q: 5- has higher impact resistance. а- Ероху b- polyethylene C- polypropylene

A: To State Which of the three -epoxy, polyethylene and polypropylene has the highest impact resistance

Q: 1. Why does crushing a solid cause it to dissolve faster?

A: The question is mentioned below the experimental procedure. Since we are entitled to answer only 1…

Q: Q1/A: Write the mathematical relation for (ch 1- Shear stress and strain are proportional to each…

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Q: O O O O y form of iron-carbon system is Occurs below 7680C .a Magnetic b Occurs above 14100C .c…

A: correct property of γ form of iron-carbon system needs to be selected from given options.

Q: Separation of air into nitrogen and oxygen.Describe three methods suitable for the separation of air…

A: Air can be separated into nitrogen and oxygen by three methods which are: Cryogenic distillation…

Q: (c)  Convert g of solute and solvent to moles, and find the ratios of    each part to the total.

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Q: Which of the following will become hard after supply of heat? O a. Polyethylene O b. Polyvinyl…

A: Asked:  Out of the following, which one will become hard after supply of heat ?

Q: The strength and hardness of steel increase as carbon content decreases. A Doğru B Yanlış

A: Strength is defirend as  how much load can withstand by a steel before fracture. Hardness provide…

Q: Distinguish between saline carbides, metallic carbides and metalloide carbides.

A: In chemistry, a carbide usually describes a compound composed of carbon and a metal. In metallurgy,…