BME I Basic Mech Engg. Syllabus IRGPV B.Tech First Year I Gateway Classes

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Course Contents:
Unit I :
Materials : Classification of engineering material, Composition of Cast iron and Carbon steels, Iron Carbon
diagram. Alloy steels their applications. Mechanical properties like strength, hardness, toughness , ductility,
brittleness , malleability etc. of materials , Tensile test- Stress-strain diagram of ductile and brittle materials
,Hooks law and modulus of elasticity, Hardness and Impact testing of materials, BHN etc.
Unit II:
Measurement: Concept of measurements, errors in measurement, Temperature, Pressure, Velocity, Flow
strain, Force and torque measurement, Vernier caliper, Micrometer, Dial gauge, Slip gauge, Sine-bar and
Combination set.
Production Engineering: Elementary theoretical aspects of production processes like casting, carpentry,
welding etc Introduction to Lathe and Drilling machines and their various operations.
Unit III :
Fluids : Fluid properties pressure, density and viscosity etc. Types of fluids , Newton’s law of viscosity ,
Pascal’s law , Bernoulli’s equation for incompressible fluids, Only working principle of Hydraulic machines,
pumps, turbines, Reciprocating pumps .
Unit IV:
Thermodynamics : Thermodynamic system, properties, state, process, Zeroth, First and second law of
thermodynamics, thermodynamic processes at constant pressure, volume, enthalpy & entropy.
Steam Engineering : Classification and working of boilers, mountings and accessories of boilers, Efficiency
and performance analysis, natural and artificial draught, steam properties, use of steam tables.
Unit V:
Reciprocating Machines :
Working principle of steam Engine, Carnot, Otto, Diesel and Dual cycles P-V & T-S diagrams and its
efficiency, working of Two stroke & Four stroke Petrol & Diesel engines. Working principle of compressor.