Download NON-WOVEN TECHNOLOGY-2015,2016,2017,2019 - PTE407 Past Question PDF

Topics: Materials Science, materials Engineering, Rutherford model, Bohr model, atom, De- Broglie’s atomic model, Atomic bonding, ionic bonding, covalent bonding, Secondary Bonding, metallic bonding, Fluctuating Induced Dipole Bonds, Polar Molecule-Induced Dipole Bonds, Permanent Dipole Bonds, Crystallography, crystal structures, Crystal Lattice, Bravais lattices, Metallic Crystal Structures, Polycrystalline Materials, Non-Crystalline Solids, Miller Indices, Point Defects, Mechanical Properties of Metals, Stress-Strain curve, Elastic deformation, plastic deformation, Tensile Properties, Brinell Hardness Test, Micro-hardness Test, Knoop Hardness Test, Scleroscope Hardness Test, durometer, fracture, creep, dislocation, Solid-Solution Strengthening, Microstructural Exam, Grain size determination, carbon steel, cast iron, alloy, Dielectric Materials, Dielectric strength, Intrinsic dielectric strength, Magnetic Properties, Diamagnetism, Ferromagnetism, Ferrimagnetism, Hard Magnetic Materials, Extrinsic Semiconductor, semiconductor

Topics: elements, compounds, atomic theory, chemical reaction, atom constituents, chemical symbols, chemical formulae, chemical reactions, chemical equations, electronic configuration, atomic number, mass numbers, nuclear atom, electronic, energy levels, Ion formations, nuclear reactions, radioactivity, nuclear radiations, nuclear fusion, nuclear fission, radioactivity hazards, chemical bonding, electrovalent bonding, Ionic bonding, electrovalent compounds, covalent bonding, covalent compounds, coordinate covalent bonding, dative covalent bonding, metallic bonding, intermolecular bonding, Van der Waal's forces, dipole-dipole attractions, hydrogen bonding, periodic table, periodic law, transition elements, atomic orbital model, principal quantum number, subsidiary quantum number, azimuthal quantum number, magnetic quantum number, spin quantum number, atomic orbital shape, atomic size, ionic radius, ionization energy, electron affinity, electronegativity, mole concept, melting, vaporization, boiling point, evaporation sublimation, heating graphs, cooling graphs, Boyle's law, Charles's law, Avogadro's law, boiling, solid classification, solid properties, molecular solid, metallic solid, Ionic solid, covalent solid, energy changes, heat content, heat of reaction, exothermic reactions, energy level diagrams, standard state, thermochemical equations, entropy, entropy change, free energy, chemical kinetic, rate of a chemical reaction, temperature, gas pressure, catalyst, activation, reaction rate, collision theory, Le Chatelier's principle, Haber process, contact process, salt hydrolysis, buffer solutions, common Ion effect, solubility product, Acid bases, salt, electrolysis, redox reactions, electrolytic conduction, oxidation, reduction, copper purification, electroplating, quantitative hydrolysis, metal corrosion, iron rusting, carbon, carbon allotropes, Diamond graphite, amorphous carbon, combustion reactions, industrial gas chemistry, metals, alloys, chemical industry, heavy chemicals, fine chemicals, fertilizers, plastics, soaps, detergents, pharmaceuticals, Nigerian chemical industry, aromatic compounds, Alicyclic compound, heterocyclic compound, homologous series, functional groups, isomerism, structural isomerism, geometric isomerism, IUPAC Nomenclature of organic compounds, purification methods, distillation, crystallization, chromatography, empirical formula, molecular formular, alkanes, natural gas, petroleum crude oil, benzene, fractional distillation petrol quality, cracking, isomerization, petrochemicals, alkanols, alkanoic acid, alkenoate, fat, oils, amino acid, polymer chemistry, polymerization processes, condensation polymerization, resins, natural polymers, carbohydrates, proteins, synthetic polymers, water pollution

Topics: Atomic bonding, classification of materials, atomic packaging and crystal structures, unit cells and lattice points, pyrometallurgy, hydro metallurgy, electrometallurgy

Topics: structure of metals, mechanical behavior of metals, manufacturing properties of metals, metal alloys, heat treatment, ferrous metals, alloy, Nonferrous metals, alloys, polymers, ceramic, glass, graphite, diamond, nano materials, composite materials, metal-casting processes, metal-casting equipment, metal casting, metal-rolling, metal-forging, metal extrusion, drawing processes, sheet-metal forming processes, powder metal, superconductors, plastics, rapid-prototyping processes, machining, cutting-tool materials, cutting fluids, machining processes, machining centers, machine-tool structures, machining economics, abrasive finishing, finishing operations, micromanufacturing, microelectronics devices, solid-welding processes, brazing, soldering, adhesive-bonding, mechanical fastening, surface technology, engineering metrology, instrumentation, quality assurance, computer-integrated manufacturing, computer-aided manufacturing

Topics: material science, materials, Atomic Structure, Interatomic Bonding, atomic model, bonding energies, bonding forces, ionic bonding, covalent bond, metallic bond, Polymorphism, Allotropy, crystal structure, Polycrystalline Materials, crystals, corrosion, electrochemical cell

Topics: Fluid flow, Thermal power stations, Hydro power stations, fluid machinery, pelton turbine, Francis turbine, Propeller Turbines, Kaplan Turbines, Turbo Pumps

Topics: atomic structure, interatomic bonding, crystalline solids, crystals, atomic bonding, diffusion, dislocation, strengthening mechanisms, failure, mechanical properties, phase diagrams, phase transformations, alloy, ceramic, polymer, corrosion, degradation, composites, polymer synthesis, polymer processing, oxidation, electrical properties, magnetic properties, optical properties, thermal properties, unit cell, density computation, Polymorphism, Allotropy, Crystallographic points, Crystallographic directions, polycrystalline materials, anisotropy, X-ray diffraction, plastic deformation, point defects, atomic vibration, fick's law, Stress–Strain Behavior, Anelasticity, fatigue, creep, solubility limit, phase equilibria

Topics: atomic structure, interatomic bonding, crystalline solids, crystals, atomic bonding, diffusion, dislocation, strengthening mechanisms, failure, mechanical properties, phase diagrams, phase transformations, alloy, ceramic, polymer, corrosion, degradation, composites, polymer synthesis, polymer processing, oxidation, electrical properties, magnetic properties, optical properties, thermal properties, unit cell, density computation, Polymorphism, Allotropy, Crystallographic points, Crystallographic directions, polycrystalline materials, anisotropy, X-ray diffraction, plastic deformation, point defects, atomic vibration, fick's law, Stress–Strain Behavior, Anelasticity, fatigue, creep, solubility limit, phase equilibria

Topics: Materials Design, Atomic Structure, Atomic Bonding, interatomic spacing, amorphous materials, lattice, basis, unit cells, crystal structure, Allotropic Transformation, Polymorphic Transformation, Crystal Structures, unit cell, Covalent Structures, diffusion, Fick’s Law, Mechanical Properties, Tensile Test, stress, strain, Nanoindentation, Fracture Mechanics, Fatigue, Fatigue Test, creep, rupture, stress corrosion, Strain Hardening, Annealing, Hot Working, Nucleation, cooling curves, cast structure, casting, Directional Solidification, Single Crystal Growth, Epitaxial Growth, Phase Diagram, Phase Equilibrium, Dispersion Strengthening, Eutectic Phase Diagrams, Eutectoid Reaction, Martensitic Reaction, Tempering, Nonferrous Alloys, Glass-Ceramics, Polymers, Polymerization, Thermoplastics, elastomers, rubbers, adhesives, Composites, Particulate Composites, Fiber-Reinforced Composites, plywood, concrete, asphalt, Electronic Materials, semiconductors, insulators, Electrostriction, Piezoelectricity, Ferroelectricity, Magnetic Materials, Magnetization

Topics: Materials Design, Atomic Structure, Atomic Bonding, interatomic spacing, amorphous materials, lattice, basis, unit cells, crystal structure, Allotropic Transformation, Polymorphic Transformation, Crystal Structures, unit cell, Covalent Structures, diffusion, Fick’s Law, Mechanical Properties, Tensile Test, stress, strain, Nanoindentation, Fracture Mechanics, Fatigue, Fatigue Test, creep, rupture, stress corrosion, Strain Hardening, Annealing, Hot Working, Nucleation, cooling curves, cast structure, casting, Directional Solidification, Single Crystal Growth, Epitaxial Growth, Phase Diagram, Phase Equilibrium, Dispersion Strengthening, Eutectic Phase Diagrams, Eutectoid Reaction, Martensitic Reaction, Tempering, Nonferrous Alloys, Glass-Ceramics, Polymers, Polymerization, Thermoplastics, elastomers, rubbers, adhesives, Composites, Particulate Composites, Fiber-Reinforced Composites, plywood, concrete, asphalt, Electronic Materials, semiconductors, insulators, Electrostriction, Piezoelectricity, Ferroelectricity, Magnetic Materials, Magnetization

Topics: semiconductor Devices, semiconductor transistor, metals, insulators, semiconductors, Semiconductor materials, Atomic structure, chemical bonds, Rutherford Atomic Models, Bohr Atomic Models, Electron energy levels, Energy bands, Atomic bonding, Intrinsic Semiconductors, Extrinsic Semiconductors, minority carriers, majority carriers, Mass action law

Topics: Metallic Materials, metal, alloy, Ceramic Materials, Polymeric Materials, polymers, Composite Materials, chemical bonds, bonding, covalent bond, ionic bond, metallic bond, crystal structure, crystallography, atomic packing, Bravais lattices, crystal, unit cell, lattice point, crystallographic planes, density, Geometrical arrangement, solubility

Topics: Atomic Structure, Atomic Bonding, Crystal structure, Amorphous Structure, Solidification, Crystalline Imperfections, Engineering Alloys, Phase Diagrams, Polymeric Materials, ceramics, Composite Materials, corrosion, light, superconductive materials, magnetic properties, biological materials, biomaterials, smart materials, bond, cubic unit cell, diffusion, alloy, metal, stress, strain, Poisson ratio, plastic deformation, gibbs phase rule, cooling curves, copper, iron, steel, cast iron, aluminum, magnesium, titanium, nickel, thermoplastic, thermost, elastomer, rubber, glass, concrete, asphalt, wood, sandwich structures, corrosion rates, metal-matrix, ceramic-matrix, galvanic cells, microelectronics, nanoelectronics, semiconductors, light, electromagnetic spectrum, laser, luminescence, optical fibers, superconducting materials, ferromagnetic, magnetic field, ferromagnetism, tendon, ligament, articular cartilage

Topics: Atomic Structure, Electronic Configuration, Crystal Geometry, Crystal Structure, Crystal Defects, bond, electron theory, Photoelectric Effect, diffusion, mechanical test, alloy, phase diagram, phase transformation, heat treatment, deformation, oxidation, corrosion, thermal properties, optical properties, electrical properties, magnetic properties, semiconductors, superconductivity, polymers, elastomers, organic materials, composites, nanostructure, spintronics, crystal, whiskers, unit cell, Co-ordination Number, crystal Imperfections, Anisotropy, Frank-Read Source, Crystal Growth, bond, Drude-Lorentz Theory, Metallic Bonding, . Fermi-Dirac, Sommerfield Free-Electron Theory, Brillouin Zones, Energy Bands, Resistivity, Conductivity, Thermoelectricity, Einstein’s Photoelectric Equation, Photoelectric Cell, Fick’s Laws, Surface Diffusion, Atomic Model, Mechanical Tests, Hume-Rothery’s Rules, Lever Rule, Annealing, Mass Effect, Pyrometers, Elastic Deformation, Plastic Deformation, Twinning, Work Hardening, Strain Hardening, Season Cracking

Topics: scientific method, hypothesis, chemical industries, matter, atom, molecule, ion, neutral atom, atomicity, Dalton‘s atomic theory, atomic structure, atomic number, mass number, isotopy, valency, binary compounds, chemical combination, periodic table, electronic configuration, noble gases, Relative atomic mass, Relative molecular mass, chemical bonding, Electrovalent bonding, covalent bonding, Co-ordinate covalent bonding, Metallic bonding, hydrogen bonding, Vander Waal forces, Gas Laws, Boyle‘s law, Charles law, Avogadro's law, Separation Techniques, filtration, decantation, acid, bases, salts, alkali, water, carbon, diamond graphite, Chemical Reactions, Reactants, decomposition reaction, Acid-Base Reaction, Volumetric analysis, reagents, water, air, oxygen, halogen, nitrogen, Sulphur, Oxidation Reduction Reaction, redox reaction, oxidizing agent, reducing agent, ionic theory, Electrovalent Compounds, Covalent Compounds, Electrolysis, Electrochemical cells, organic chemistry, isomerism, alkanols, Quantitative Analysis, Qualitative Analysis, Acid-base titration, Redox titrations, Petroleum, metals, fats, oil, starch, Giant Molecules, sugar, protein, nuclear chemistry, Nuclear Reactions

Topics: valency, bonding, valence electron, H-bonding, Van der Waals, dispersion forces, dipole interaction, electrovalent, ordinary covalent, coordinate covalent

Topics: Physics, Atomic structure, bonding, crystal structure, phase diagrams, alloying system

Topics: stoichiometry, mole concept, gases, reacting mass, reacting volume, atomic structure, nuclear atom, electron configuration, periodicity, periodic table, periodic trends, chemical bonding, chemical structure, ionic bonding, ionic structure, covalent bonding, covalent structures, intermolecular forces, metallic bonding, thermochemistry, Hess's law, bond enthalpies, chemical kinetics, collision theory, rate of reaction, equilibrium, acid, base, pH scale, strong acid, strong base, acid deposition, redox process, oxidation, reduction redox processes.electrochemical cells, organic chemistry, functional group chemistry, periodic table, transition metals, chemical bonding, chemical structure, hybridization, energy cycles, entropy, spontaneity, reaction mechanis, .activation energy, Lewis acid, Lewis base, organic chemistry

Topics: ORBITAL COMBINATIONS, ORBITAL HYBRIDIZATION THEORY, HYDROCARBONS, ALKANES, SIGMA BONDING, ALKENES, ALKYNES

Topics: Molecular Geometry, Hybridization, orbitals, Chemical Bonding