Module-02

AMEL Modules - Module-02

2.1: Matter	2.1: Matter Nature of matter: the chemical elements, structure of atoms, molecules; Chemical compounds; States: solid, liquid & gaseous; Changes between states.
2.2: Mechanics	2.2: Mechanics Statics Forces, moments & couples, representaton as vectors; Centre of gravity; Elements of theory of stress, strain & elasticity: tension, compression, shear & torsion; Nature & properties of solid, fluid & gas; Pressure & buoyancy in liquids (barometers). Kinetics Linear movement: uniform motion in a straight line, motion under constant acceleration (motionunder gravity); Rotational movement: uniform circular motion (centrifugal/centripetal forces); Periodic motion: pendular movement; Simple theory of vibration, harmonics and resonance; Velocity ratio, mechanical advantage and efficiency. Dynamics a) Mass, Force, inertia, work, power, energy (potential, kinetic and total energy), heat, efficiency; b) Momentum, conservation of momentum; Impulse; Gyroscopic principles; Friction: nature & effects, coefficient of friction (rolling resistance). Fluid Dynamics a) Specific gravity & density; b) Viscosity, fluid resistance, effects of streamlining; effects of compressibility on fluids; Static, dynamic & total pressure: Bernoulli's Theorem, venturi.
2.3: Thermodynamics	2.3: Thermodynamics a) Temperature: thermometers & temperature scales: Celsius, Fahrenheit & Kelvin; Heat definition b) Heat capacity, specific heat; Heat transfer convection, radiation & conduction; Volumetric expansion; First & second law of thermodynamics; Gases: ideal gases laws; specific heat at constant volume & constant volume & pressure, work done by expanding gas; Isothermal, adiabatic expansion & compression, engine cycles, constant volume & constant pressure, refrigerators & heat pumps; Latent heats of fusion and evaporation, thermal energy, heat of combustion.
2.4: Optics (Light)	2.4: Optics (Light) Nature of light; speed of light; Laws of reflection and refraction: reflection at plane surfaces, reflection by spherical mirrors, refraction, lenses; Fibre optics.
2.5: Wave Motion & Sound	2.5: Wave Motion & Sound Wave motion: mechanical waves, sinusoidal wave motion, interference phenomena, standing waves; Sound: speed of sound, production of sound, intensity, pitch & quality, Doppler effect.