Download Heat and Thermodynamics question and answer - PHY115 Past Question PDF

Topics: Applied Thermodynamics, Thermodynamics, steam, Internal Latent Heat, entropy, steam generators, boilers, steam boiler, Fire Tube Boilers, Water Tube Boilers, High Pressure Boilers, boiler mountings, draught, chimney, evaporative capacity, boiler efficiency, steam power cycles, Carnot cycle, Rankine cycle, Modified Rankine cycle, Regenerative cycle, Reheat cycle, Binary vapour cycle, reciprocating steam engine, compound steam engines, Multi-Cylinder Engines, uniflow steam engine, steam nozzles, nozzle efficiency, steam injector, steam turbines, turbine efficiencies, reheating steam, steam turbine governing, steam turbine control, steam condensers, condensing plant, jet condensers, surface condensers, gas power cycles, air standard efficiency, dual combustion cycle, Atkinson cycle, Ericsson cycle, Brayton cycle, internal combustion engines, Four-Stroke Cycle Engines, Two-Stroke Cycle Engines, ignition system, fuel injection system, electronic fuel system, cooling system, lubrication systems, Performance Number, Combustion Chamber Design, octane number, Diesel Knock, cetane number, supercharging, dissociation, Engine Performance Curves, Wankel Rotary Combustion Engine, Stratified Charge Engines, Duel-Fuel Engines, air compressors, Reciprocating Compressors, volumetric efficiency, Multi-stage Compression, compressor performance, intercooler, Compressed Air Motors, Rotary Compressors, gas turbines, jet propulsion, Open Cycle Gas Turbines, Constant Volume Combustion Turbines, Gas Turbine Fuels, refrigeration, Air Refrigeration System, Simple Vapour Compression System, Vapour Absorption System, Refrigerants, Air-conditioning Systems, Air-conditioning, load estimation, Air Distribution

Topics: Thermodynamics, steady-flow equation, working fluid, reversible process, polytropic process, heat engine, entropy, exergy, heat engine cycle, carnot cycle absolute temperature scale, constant pressure cycle, air standard cycle. Otto cycle, diesel cycle, dual combustion cycle, combustion, fuels, combustion equations, enthalpy, power plant thermal efficiency, steam cycles, rankine cycle, gas turbine cycles, nozzles, jet propulsion, rotodynamic machinery, reciprocating internal-combustion engines, engine output, engine efficiency, supercharging, refrigeration, heat pumps, reversed heat engine cycles, vapour-compression cycles, gas cycles, psychrometry, air-conditioning, heat transfer, conduction equation, conduction, convection, heat exchangers, black-body radiation, combined cycles

Topics: Thermodynamics, internal combustion engines, air standard cycle, fuel-air cycle, actual cycle, combustion in S.I engines, Combustion in C.I engines, air capacity of four stroke engines, two stroke engines, chemical thermodynamics, fuel, fuel/air mixture requirement, carburetion, carburetors, fuel injection systems, ignition systems, engine friction, lubrication, supercharging of I.C engines, testing of I.C Engines, performance of I.C engines, air pollution, duel-fuel engine, multi-fuel engine, stratified charge engine, stirling engine

Topics: heat, thermal expansion, gas law, energy conservation, heat flow, latent heat, specific heat, calorimetry, Kinetic theory of gases, Velocity space, potential energy, Brownian motion, ideal gas thermodynamics, specific heat, isotherm, adiabat, heat engine, carnot cycle, engine efficiency, entropy, molecular collision, mean free path, conduction, convection, radiation

Topics: Speed, Displacement, Velocity, vector, Uniformly Accelerated Motion, Newton law, Equilibrium, Work, Energy, Power, simple machine, impulse momentum, angular motion, Rigid-body rotation, simple harmonic motion, density, elasticity, fluid, thermal expansion, ideal gas, heat quantity, thermal energy, thermodynamics, entropy, wave motion, sound, Coulomb’s Law, Electric Field, Electric Potential, Capacitance, Current, Resistance, Ohm’s Law, Electrical Power, Kirchhoff’s Law, Magnetic field, Induced EMF, Electric generator, motor, inductance, Alternating current, Light, Lens, Optical instrument, Interference, Diffraction, special relativity, quantum physics, hydrogen atom, multielectron atom, subatomic physics, Nuclear physics

Topics: Electric charges, Coulomb’s law, Conductors, insulators, Electric Field Intensity, Charge Distribution, Electric Field Lines, Electric Field Lines, Charge Density, Volume Charge Density, Surface Charge Density, Line Charge Density, Electric Field, Electric Flux, Gauss’s Law, Electric Field Calculation, Electric Potential, Electrical Potential Energy, Equipotential Surfaces, Capacitance, Dielectrics, Current Electricity, capacitor, Electric current, Electric Current Density, Resistance, Resistivity, Conductivity, Electromotive Force, Internal Resistance, Direct Current Circuits, resistance, Kirchhoff’s Current Law, Kirchhoff’s Voltage Law, energy, power, Wheatstone Bridge, Potentiometer, Slide Wire Bridge, Electrodynamics, Mass Spectrometer, hall effect, Magnetic Field, Magnetic Forces, Biot-Savart Law, Ampere’s Circuital Law, Electromagnetic Induction, Magnetic Flux, Lenz's law, Mutual Inductance, Self Inductance

Topics: fundamental quantities, derived quantities, dimension, scalars, vectors, vector representation, unit vectors, vector multiplication, kinematics, displacement, speed, velocity, acceleration, freely falling bodies, projectile motion, horizontal projectile motion, Newton's laws of motion, elastic collision, inelastic collision, friction, circular motion, gravitation, angular speed, angular acceleration, conical pendulum, Banking, free-fall acceleration, gravitational potential energy, satellite motion, velocity escape, Kepler's law, work, energy, power, energy conversion, Kinetic energy, conservative forces, vector moment, mechanical equilibrium, rigid bodies rotation, moment of Inertia, Parallel Axis theorem, Hooke's law, stress, strain, density, fluid mechanics, fluid pressure, Pascal's Principle, Buoyancy principle, Archimedes Principle. fluid dynamics, Bernoulli principle, surface tension, Poiseuille's law, capillarity, Stoke's law, thermal physics, temperature scales, thermometers, Zeroth law of thermodynamics, thermal expansion, thermal stress, heat quantity, Latent heat, heat transfer, conduction, convection, radiation, Gas laws, Kinetic theory of gases, Thermodynamic processes, Adiabatic processes, Isobaric processes, Isochoric processes, Thermal efficiency, Carnot cycle, Refrigerator, Entropy

Topics: temperature, heat, thermal equilibrium, thermometer temperature scale, thermal expanusion, heat transfer, specific heat, calorimetry, heat capacity, thermodynamics, work, heat, internal energy, heat engines, refrigerators, heat pumps, carnot cycle, entropy, electricity, magnetism, electric charge, electric field, conductors, insulators, Coulomb's law, electric dipoles, Gauss law, electric flux, electric potential, capacitor, capacitance, electrical current, resistivity, resistance, Ohm's law, electrical eenrgy, power, super conductors, electromotive force, magnetic forces, magnetic fields, hall effect, Biot-Savart law, solenoids, toroids, Faraday's law, Lenz's law, induced electic fields, eddy current, electric generators, inductance, transformers, electromagnetic waves, electromagnetic spectrum

Topics: motion, speed, displacement, velocity, acceleration, free fall, projectile motion, vector, vector representation, vector addition, vector multiplication, Newton's law, weight, work, energy, power, mechanical energy, machine, linear momentum, angular velocity, circular motion, oscillation, rotational dynamics, compound pendulum, static equilibrium, hydrodynamics, temperature, thermometers, temperature scale, Gas laws, thermal expansion, linear expansion, heat capacity, latent heat, thermal conduction, thermal conductivity, thermodynamics, heat transfer

Topics: temperature, temperature units, atomic mass, molar mass, molecular mass, relative atomic mass, emperical formula, chemical formula, limiting reactant, chemical reactions, gas, gas volume, pressure, standard atmospheric pressure, pressure measurement, gas law, Boyle's law, Charles's law, Gay-lussac law, combined gas law, ideal gas, ideal gas law, kinetic theory, avogardo hypothesis, molar volume, gas volume, gas stoichiometry, thermochemistry, heat, heat capacity, calorimetry, energy, enthalphy, thermochemical reactions, atomic structure, particle, waves, Pauli principle, Periodic law, Aufbau principle, Electron configuration, Atomic radii, ionization energy, electron affinity, chemical bonding, molecular structure, ionic compounds, covalence, valence-bond representation, molecular-orbital representation, π BONDING, MULTICENTER π BONDS, coordination compounds, isomerism, solid, liquid, crystals, crystal forces, Ionic Radii, oxidation-reduction, oxidation number, oxidizing agents, reducing agents, ionic notation, balancing equations, concentration, concentration scales, concentration units, dilution, volumetric standard solutions, vapor pressure lowering, freezing-point lowering, boiling-point lowering, Boiling-point elevation, osmotic pressure, Law of distribution, isomerism, functional groups, organic chemistry, biochemistry, thermodynamics, chemical equilibrium, Equilibrium constant, Le Chatelier's principle, acid, base, hydrolysis, buffer solution, indicators, weak polyprotic acids, tittration, complex ions, coordination complexes, electrochemistry, solubility product, electrical units, electrolysis, voltaic cells, standard half-cell potentials, free energy, Nonstandard potentials, rate of reactions, rate constant, energy of activation, Nuclear process, Binding energy, nuclear equations, radiochemistry

Topics: ideal gas, emperical gas law, Boyle's law, Charles law, Gay Lussac's law, Avogadro's law

Topics: Units, Physical Quantities, Vector, Motion, Newton's law, Work, Kinetic energy, Potential energy, Energy conservation, Momentum, impulse, collision, rigid bodies, rotational motion, equilibrium, elasticity, fluid mechanics, gravitation, periodic motion, mechanics, mechanical waves, sound, hearing, temperature, heat, thermodynamics, electrical charge, electric field, electric potential, Gauss law, capacitance, dielectric, current, resistance, electromotive force, direct-current circuit, magnetic field, magnetic force, electromagnetic induction, inductance, alternating circuit, electromagnetic wave, Light, Geometric optics, Interference, Diffraction, Relativity, photons, quantum mechanics, wave functions, atomic structure, molecule, condensed matter, Nuclear physics, particle physics, cosmology, electromagnetism, optics, acoustics, modern physics

Topics: Units, Physical Quantities, Vector, Motion, Newton's law, Work, Kinetic energy, Potential energy, Energy conservation, Momentum, impulse, collision, rigid bodies, rotational motion, equilibrium, elasticity, fluid mechanics, gravitation, periodic motion, mechanics, mechanical waves, sound, hearing, temperature, heat, thermodynamics, electrical charge, electric field, electric potential, Gauss law, capacitance, dielectric, current, resistance, electromotive force, direct-current circuit, magnetic field, magnetic force, electromagnetic induction, inductance, alternating circuit, electromagnetic wave, Light, Geometric optics, Interference, Diffraction, Relativity, photons, quantum mechanics, wave functions, atomic structure, molecule, condensed matter, Nuclear physics, particle physics, cosmology, electromagnetism, optics, acoustics, modern physics

Topics: Gas properties, gas laws, ideal gas equation, molecular velocities, specific heat of gases, Van der Waals Equation, gas liquefaction, gas kinetic theory

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: Gas laws, Gas, Boyle's law, Charles law, Gay-Lussac's law, Dalton's law, general gas equation, ideal gas, Avogardo's law, kinetic theory, Boltzmann distribution, intermolecular distribution, Vander Waal's equation, viscosity, dilute solution, molarity, mole fraction, colligative properties, osmotic pressure, thermodynamics, internal energy, heat change, heat capacity, isothermal process, phase change, adiabatic process, adiabatic reversible expansion, thermodynamic equilibrium, chemical equilibrium, thermochemistry, heat of reaction, heat of formation, heat of combustion, bond energy, chemical equilibrium, dynamic equilibrium, law of mass action, solubility, chemical kinetics, chemical reaction, reaction rate, rate laws, differential rate laws, integrated rate laws, activation energy, action complex, activated complex, ionic equilibrium, electrolytes, acid, bases, Bronsted-Lowry theory, Lewis theory, dissociation constant, hydrolysis, buffer solution, buffer capacity, crystals, crystalline phases, polymorphism, amorphous, crystal growth, nucleation, crystal systems, cubic structures, mirror symmetry

Topics: physical quantities, Kinematics, dynamics, FRICTION, DRAG, ELASTICITY, circular motion, gravitation, work, energy, energy resources, force, linear momentum, collisions, statics, torque, rotational motion, Angular momentum, fluid statics, fluid dynamics, TEMPERATURE, KINETIC THEORY, HEAT, HEAT TRANSFER, Thermodynamics, OSCILLATORY MOTION, WAVES, sound, electric charge, electric field, GAS LAWS, ELECTRIC POTENTIAL, ELECTRIC CURRENT, RESISTANCE, OHM'S LAW, CIRCUITS, BIOELECTRICITY, DC INSTRUMENTS, magnetism, ELECTROMAGNETIC INDUCTION, AC CIRCUITS, ELECTRICAL TECHNOLOGIES, ELECTROMAGNETIC WAVES, GEOMETRIC OPTICS, VISION, OPTICAL INSTRUMENTS, WAVE OPTICS, SPECIAL RELATIVITY, QUANTUM PHYSICS, ATOMIC PHYSICS, RADIOACTIVITY, NUCLEAR PHYSICS, PARTICLE PHYSICS

Topics: Velocity, acceleration, density, Projectile Motion, friction, Impulse, Momentum, collision, Rotational Kinematics, Angular Momentum, static equilibrium, sinusoidal waves, sound, doppler effect, shockwave, Thermal Expansion, Temperature Scales

Topics: Engineering Thermodynamics, Work, Heat Transfer, Thermodynamic properties, temperature, Law of Thermodynamics, Non-Flow Processes, Constant volume process, Constant pressure process, Polytropic process, Adiabatic process, Isothermal process, Flow Processes, Nonsteady-flow processes, Boiler, condenser, Throttling, Reciprocating compressor, Cycle efficiency, Reversibility, irreversibility, Exergy, Gibbs function, steady-flow system, Properties of Fluids, Vapour Power Cycles, carnot cycle, rankine cyclel, reheat cycle, regenerative cycle, economiser, air preheater, steam cycles, Gas Power Cycle, gas turbine cycle, Closed-cycle gas turbine, Intercooling, reheating, Combined gas, steam cycles, Reciprocating engine cycles, Heat Pump, Refrigeration Cycles, Reversed Carnot cycle, Practical refrigeration cycles, Water refrigerator, Absorption refrigerators, Gas cycles, Hygrometry, psychrometry

Topics: Gases, gas law, ideal gas, ideal gas behaviour, Liquifaction of gases, solution, real solution, thermodynamics, ionic equilibria, acids, bases, indicators, buffers, chemical kinetics, reaction rate, experimental rate law, Arrhenius equation

Topics: Physics, JAMB, Friction, work, force, motion, speed, velocity, energy, hydraulic press, relative density, hydrometer, gas law, sound wave, wave, light, mirror,capacitor, electricity, pressure