BT-203 Basic Mechanical Engineering Notes
5 notes for Basic Mechanical Engineering, unit by unit.
Notes for BT-203
- Unit 1 · Short notes Materials Classification of engineering materials and composition of cast iron and carbon steels · Iron‑Carbon diagram and applications of alloy steels · Mechanical properties: strength, hardness, toughness, ductility, brittleness, malleability · Tensile test – stress‑strain diagram for ductile and brittle materials · Hooke’s law, modulus of elasticity, hardness and impact testing (BHN, etc.)
- Unit 2 · Short notes Measurement Concepts of measurement and sources of errors · Measurement of temperature, pressure, velocity, flow strain, force and torque · Use of Vernier caliper, micrometer, dial gauge, slip gauge, sine‑bar and combination set · Production engineering basics: casting, carpentry, welding, introduction to lathe and drilling machines
- Unit 3 · Short notes Fluids Fluid properties: pressure, density, viscosity · Newton’s law of viscosity and Pascal’s law · Bernoulli’s equation for incompressible fluids · Working principles of hydraulic machines, pumps, turbines, and reciprocating pumps
- Unit 4 · Short notes Thermodynamics Thermodynamic system, properties, state, and processes · Zeroth, First and Second laws of thermodynamics · Thermodynamic processes at constant pressure, volume, enthalpy and entropy · Steam engineering: classification and working of boilers, mountings, accessories, efficiency, natural and artificial draught, steam properties and use of steam tables
- Unit 5 · Short notes Reciprocating Machines Working principle of steam engine and compressors · Carnot, Otto, Diesel and Dual cycles – P‑V and T‑S diagrams and efficiencies · Two‑stroke and four‑stroke petrol and diesel engine operation
More for BT-203
Other 1st semester CY subjects
- BT-102 Mathematics‑I
- BT-201 Engineering Physics
- BT-204 Basic Civil Engineering & Mechanics
- BT-205 Basic Computer Engineering
- BT-206 Language Lab & Seminars