Syllabus of Diploma (RGPV), IV Sem, Mechanical Engineering 👉 CS.com

Syllabus of Diploma (RGPV) Semester-IV, Mechanical Engineering

Table of Contents

MEASUREMENTS AND METROLOGY, PAPER CODE : 7406, SUBJECT CODE : 401

UNIT-I: Introduction to measurements

Definition of measurement; Significance of measurement;
Methods of measurements: Direct & Indirect; Generalized measuring system; Standards of measurements: Primary & Secondary;
Factors influencing selection of measuring instruments; Terms applicable to measuring instruments: Precision and Accuracy, Sensitivity and Repeatability, Range, Threshold, Hysteresis, calibration;
Errors in Measurements: Classification of errors, Systematic and Random error.
Measuring instruments: Introduction; Thread measurements: Thread gauge micrometre;
Angle measurements: Bevel protractor, Sine Bar; Gauges: plain plug gauge, ring Gauge, snap gauge, limit gauge;
Comparators: Characteristics of comparators, Types of comparators;
Surface finish: Definition, Terminology of surface finish, Talysurf surface roughness tester; Co-ordinating measuring machine.

Unit-II: Transducers and Strain gauges

Introduction; Transducers: Characteristics, classification of transducers, two coil self-inductance transducer, Piezoelectric transducer;
Strain Measurements: Strain gauge, Classification, mounting of strain gauges, Strain gauge rosettes-two and three elements.
Measurement of force, torque, and pressure: Introduction; Force measurement: Spring Balance, Proving ring, Load cell;
Torque measurement: Prony brake, Eddy current, Hydraulic dynamometer;
Pressure measurement: Mcloed gauge.

Unit-III: Applied mechanical measurements

Speed measurement: Classification of tachometers, Revolution counters, Eddy current tachometers;
Displacement measurement: Linear variable Differential transformers (LVDT); Flow measurement: Rotometers, Turbine meter;
Temperature measurement: Resistance thermometers, Optical Pyrometer.
Miscellaneous measurements: Humidity measurement: hair hygrometer;
Density measurement: hydrometer;
Liquid level measurement: sight glass, Float gauge;
Biomedical measurement: Sphygmomanometer.

Unit-IV: Limits, Fits & Tolerances

Concept of Limits, Fits, and Tolerances; Selective Assembly; Interchangeability; Hole And Shaft Basis System;
Taylor’s Principle; Design of Plug; Ring Gauges; IS 919-1993 (Limits, Fits & Tolerances, Gauges} IS 3477-1973; concept of multi gauging and inspection.
Angular Measurement: Concept; Instruments For Angular Measurements;
Working and Use of Universal Bevel Protractor, Sine Bar, Spirit Level;
Principle of Working of Clinometers;
Angle Gauges (With Numerical on Setting of Angle Gauges).
Screw thread Measurements: ISO grade and fits of thread;
Errors in threads; Pitch errors; Measurement of different elements such as major diameter, minor diameter, effective diameter, pitch;
Two wire method; Thread gauge micrometer; Working principle of floating carriage dial micrometer.

Unit-V: Gear Measurement and Testing

Analytical and functional inspection; Rolling test;
Measurement of tooth thickness (constant chord method);
Gear tooth vernier; Errors in gears such as backlash, runout, composite.
Machine tool testing: Parallelism; Straightness; Squareness;
Coaxiallity; roundness; run out; alignment testing of machine tools as per IS standard procedure.

STRENGTH OF MATERIALS, PAPER CODE : 7407, SUBJECT CODE : 402

UNIT-I: Simple Stresses and Strains

Types of forces; Stress, Strain and their nature; Mechanical properties of common engineering materials;
Significance of various points on stress – strain diagram for M.S. and C.I. specimens; Significance of factor of safety;
Relation between elastic constants; Stress and strain values in bodies of uniform section and of composite section under the influence of normal forces;
Thermal stresses in bodies of uniform section and composite sections;
Related numerical problems on the above topics.
Strain Energy: Strain energy or resilience, proof resilience and modulus of resilience;
Derivation of strain energy for the following cases:

i) Gradually applied load,
ii) Suddenly applied load,

iii) Impact/ shock load; Related numerical problems.

Unit-II: Shear Force & Bending Moment Diagrams

Types of beams with examples:

a) Cantilever beam,
b) Simply supported beam,
c) Over hanging beam,
d) Continuous beam,
e) Fixed beam;

Types of Loads – Point load, UDL and UVL; Definition and explanation of shear force and bending moment;
Calculation of shear force and bending moment and drawing the S.F and B.M. diagrams by the analytical method only for the following cases:

a) Cantilever with point loads,
b) Cantilever with uniformly distributed load,
c) Simply supported beam with point loads,
d) Simply supported beam with UDL,
e) Over hanging beam with point loads, at the centre and at free ends,
f) Over hanging beam with UDL throughout,
g) Combination of point and UDL for the above;

Related numerical problems.

Unit-III: Theory of Simple Bending and Deflection of Beams

Explanation of terms: Neutral layer, Neutral Axis, Modulus of Section, Moment of Resistance, Bending stress, Radius of curvature;
Assumptions in theory of simple bending; Bending Equation M/I = σ/Y = E/R with derivation;
Problems involving calculations of bending stress, modulus of section and moment of resistance;
Calculation of safe loads and safe span and dimensions of cross- section;
Definition and explanation of deflection as applied to beams;
Deflection formulae without proof for cantilever and simply supported beams with point load and UDL only (Standard cases only);
Related numerical problems.

Unit-IV: Torsion in Shafts and Springs

Definition and function of shaft; Calculation of polar M.I. for solid and hollow shafts; Assumptions in simple torsion;
Derivation of the equation T/J=f_s/R=Gθ/L; Problems on design of shaft based on strength and rigidity;
Numerical Problems related to comparison of strength and weight of solid and hollow shafts;
Classification of springs; Nomenclature of closed coil helical spring;
Deflection formula for closed coil helical spring (without derivation); stiffness of spring;
Numerical problems on closed coil helical spring to find safe load, deflection, size of coil and number of coils.

Unit-V: Thin Cylindrical Shells

Explanation of longitudinal and hoop stresses in the light of circumferential and longitudinal failure of shell;
Derivation of expressions for the longitudinal and hoop stress for seamless and seam shells;
Related numerical Problems for safe thickness and safe working pressure.

THERMAL ENGINEERING-II, PAPER CODE : 7408, SUBJECT CODE : 403

UNIT-I: Gas Turbines

Air-standard Brayton cycle; Description with p-v and T-S diagrams; Gas turbines Classification: open cycle gas turbines and closed cycle gas turbines;
comparison of gas turbine with reciprocating I.C. engines and steam turbines. Applications and limitations of gas turbines;
General lay-out of Open cycle constant pressure gas turbine; P-V and T-S diagrams and working;
General lay-out of Closed cycle gas turbine; P-V and T-S diagrams and working.
Jet Propulsion: Principle of jet propulsion; Fuels used for jet propulsion; Applications of jet propulsion;
Working of a turbojet engine; Principle of Ram effect; Working of a Ram jet engine;
Principle of Rocket propulsion; Working principle of a rocket engine; Applications of rocket propulsion;
Comparison of jet and rocket propulsions.

Unit-II: Properties of Steam

Formation of steam under constant pressure; Industrial uses of steam; Basic definitions: saturated liquid line, saturated vapour line, liquid region, vapour region, wet region, superheat region, critical point,
saturated liquid, saturated vapour, saturation temperature, sensible heat, latent heat, wet steam, dryness fraction, wetness fraction, saturated steam, superheated steam, degree of superheat;
Determination of enthalpy, internal energy, internal latent heat, entropy of wet, dry and superheated steam at a given pressure using steam tables and
Mollier chart for the following processes: Isochoric process, Isobaric process, Hyperbolic process, Isothermal process, Isentropic process, Throttling process,
Polytropic process; Simple direct problems on the above using tables and charts;
Steam calorimeters: Separating, throttling, Combined Separating and throttling calorimeters – problems.

Unit-III: Steam Generators

Function and use of steam boilers; Classification of steam boilers with examples;
Brief explanation with line sketches of Cochran, Babcock and Wilcox Boilers; Comparison of water tube and fire tube boilers;
Description with line sketches and working of modern high pressure boilers Lamont and Benson boilers;
Boiler mountings: Pressure gauge, water level indicator, fusible plug, blow down cock, stop valve, safety valve, (dead weight type, spring loaded type, high pressure and low water safety alarm);
Boiler accessories: feed pump, economiser, super heater and air pre-heater; Study of steam traps & separators;
Explanation of the terms: Actual evaporation, equivalent evaporation, factor of evaporation, boiler horse power and boiler efficiency;
Formula for the above terms without proof; Simple direct problems on the above; Draught systems (Natural, forced & induced).

Unit-IV: Steam Nozzles

Flow of steam through nozzle; Velocity of steam at the exit of nozzle in terms of heat drop using analytical method and Mollier chart;
Discharge of steam through nozzles;
Critical pressure ratio; Methods of calculation of cross-sectional areas at throat and exit for maximum discharge;
Effect of friction in nozzles and Super saturated flow in nozzles;
Working steam jet injector; Simple numerical problems.

Unit-V: Steam Turbines

Classification of steam turbines with examples; Difference between impulse & reaction turbines;
Principle of working of a simple De-lavel turbine with line diagrams- Velocity diagrams;
Expression for work done, axial thrust, tangential thrust, blade and diagram efficiency, stage efficiency, nozzle efficiency;
Methods of reducing rotor speed; compounding for velocity, for pressure or both pressure and velocity;
Working principle with line diagram of a Parson’s Reaction turbine–velocity diagrams;
Simple problems on single stage impulse turbines (without blade friction) and reaction turbine including data on blade height.
Bleeding, re-heating and re-heating factors (Problems omitted);
Governing of steam turbines: Throttle, By-pass & Nozzle control governing.

MATERIAL HANDLING SYSTEM, PAPER CODE : 7409, SUBJECT CODE : 411

UNIT-I: Introduction to Material Handling System

Main types of Material handling equipments & their applications;
Types of load to be handled;
Types of Movements; Methods of stacking, loading & unloading systems;
Principles of Material Handling Systems;
Modern trends in Materials handling.

UNIT-II: Hoisting Machinery & Equipments

Construction, Working & Maintenance of different types of hoists such as Lever operated hoist, Portable hand chain hoist,
Differential hoists, Worm geared and Spur geared hoists, Electric & Pneumatic hoists, Jumper;
Construction, Working & Maintenance of different types of cranes such as Rotary cranes, Trackless cranes, Mobile cranes, Bridge cranes, Cable cranes, Floating cranes & Cranes traveling on guide rails;
Construction, Working & Maintenance of Elevating equipments such as Stackers, Industrial lifts, Freight elevators, Passenger lifts, and Mast type’s elevators, Vertical skip hoist elevators.

UNIT-III: Conveying Machinery

Construction, Working & Maintenance of Traction type conveyors such as Belt conveyors, Chain conveyors, Bucket elevators,
Escalators; Construction, Working & Maintenance of Traction less type conveyors such as Gravity type conveyors, Vibrating & Oscillating conveyors, Screw conveyors, Pneumatic & Hydraulic conveyors, Hoppers gates & Feeders.
Surface Transportation Equipment: Construction, Function, Working of Trackless equipment such as Hand operated trucks, Powered trucks, Tractors, Automatic Guided vehicle, Industrial Trailers;
Construction, Function, Working of Cross handling equipment such as Winches, Capstans, Turntables, Transfer tables, Monorail conveyors.

UNIT-IV: Components of Material Handling Systems

Flexible hoisting appliances such as Welded load chains, Roller chains, Hemp ropes, Steel wire ropes, Fastening methods of wire & chains, Eye bolts, Lifting tackles, Lifting & Rigging practices;
Load handling attachments:

a) Various types of hooks-Forged, Triangular eye hooks, Appliances for suspending hooks
b) Crane grab for unit & piece loads
c) Electric lifting magnet, vacuum lifter.
d) Grabbing attachment for loose materials
e) Crane attachment for handling liquids/molten metals;

Construction & Working of Arresting gear & Brakes;
Construction & use of electromagnetic shoe brakes, Thruster operated shoe brakes, Control brakes.

UNIT-V: Mechanism used in Material Handling Equipment

Steady state motion; Starting & stopping of motion in following mechanisms: Hoisting mechanism, Lifting Mechanism, Traveling Mechanism,
Slewing Mechanism, Rope & chain operated Cross- Traverse Mechanism.
Selection of Material Handling Equipment: Factors affecting choice of material handling equipment such as Type of loads, Hourly capacity of the unit, Direction & length of travel,
Methods of stocking at initial, final & intermediate points, Nature of production process involved, Specific load conditions & Economics of material handling system.

COMPUTER INTEGRATED MANUFACTURING, PAPER CODE : 7410, SUBJECT CODE : 412

UNIT-I: Concept of Computer Integrated Manufacturing (CIM)

Basic components of CIM;
Distributed database system;
distributed communication system, computer networks for manufacturing;
future automated factory;
social and economic factors.

Unit-II: Computer Aided Design (CAD)

CAD hardware and software;
product modelling, automatic drafting;
engineering analysis;
FEM design review and evaluation;
Group Technology Centre.

Unit-III: Computer Aided Manufacturing (CAM) Computer assisted NC part programming

Computer assisted robot programming;
computer aided process planning (CAPP);
computer aided material requirements planning (MRP)

Unit-IV: Computer aided production scheduling

computer aided inspection planning;
computer aided inventory planning,
Flexible manufacturing system (FMS);
concept of flexible manufacturing.

Unit-V: Integrating NC machines, robots, AGVs, and other NC equipment

Computer aided quality control;
business functions, computer aided forecasting;
office automation

HEAT TRANSFER, PAPER CODE : 7411, SUBJECT CODE : 421

UNIT-I: Conduction

Fourier law of heat conduction for isotropic material; Thermal conductivity;
Derivation of the energy equation in three dimensions including transient effect;
Nondimensional – thermal diffusivity and Fourier number;
Types of boundary conditions (Dirchlet, Neumann, mixed type);
One dimensional solution with and without heat generation;
Analogy with electrical circuits.

Unit-II: Fins

rectangular and pin fins. Fin effectiveness and efficiency.
Critical thickness of insulation.
Lumped parameter approach and physical significance of time constant,
Biot number, Validity of lumped parameter approach.
Introduction to Heissler Chart.

Unit-III: Convection

Introduction, Newton’s law of cooling; Momentum and energy equations in two dimensions;
Non diemnsionalisation, importance of nondimensional quantities and their physical significance.
Velocity and thermal boundary layer thickness by integral method.
Analogies between momentum, heat and mass transfer.
Natural convection, effect of coupling on the conservation equations.

Unit-IV: Radiation

Physical mechanism of thermal radiation, laws of radiation,
definition of black body, emissive power, intensity of radiation, emissivity, reflectivity, transmittivity, irradiation, radiosity.
Radiation exchange between black bodies, concept of Gray-Diffuse Isotropic (GDI) surface.
Radiation exchange between GDI surfaces by radiation network and radiosity matrix method.
Radiation shielding.

Unit-V: Heat exchangers

Types of heat exchangers, parallel and counterflow types,
Introduction to LMTD.
Correction factors, fouling factor.
NTU method for heat exchangers.

REFRIGERATION AND AIR-CONDITIONING, PAPER CODE : 7412, SUBJECT CODE : 422

UNIT-I: Introduction to Refrigeration

Definition of Refrigeration; Refrigerating effect-unit of refrigeration- Coefficient of performance;
Types of Refrigeration-Ice, dry ice, Steam jet, Throttling, Liquid nitrogen refrigeration;
Carnot refrigeration Cycle;
Air refrigeration- Bell – Coleman cycle, PV& TS diagram;
Advantage and disadvantages in air refrigeration; Simple problems

Unit-II: Refrigeration systems

Basic Components, Flow diagram of working of Vapour compression cycle;
Representation of the vapour compression cycle on P-H, T-S & P-V Diagram;
Expression for Refrigerating effect, work done and power required;
Types of Vapour Compression cycle; Effects of super heating and under cooling, its advantages and disadvantages;
Simple Vapour absorptions cycle and its flow diagram;
Simple Electrolux system for domestic units; Comparison of Vapour absorption and vapour compression system;
Simple problems on vapour compression cycle.

Unit-III: Refrigeration equipments

Compressor – types of compressors; Hermetically sealed and Semi hermetically sealed compressor;
Condensers – Air Cooled, water cooled, natural and forced draught cooling system;
Advantages and disadvantages of air cooled and water cooled condensers;
Evaporators -natural, convection, forced convection types.
Refrigerants and lubricants: Introduction to refrigerants; Properties of good refrigerants;
Classification of refrigerants by group number and commonly used refrigerants in practice;
Detection of refrigerants leakage; Charging the system with refrigerant;
Lubricants used in refrigeration and their properties.

Unit-IV: Refrigerant flow controls

Capillary tube; Automatic Expansion valve;
Thermostatic expansion valve; High side and low side float valve;
Solenoid valve; Evaporator pressure regulator.
Application of refrigeration: Slow and quick freezing; Cold storage and Frozen storage;
Dairy refrigeration; Ice making industry; Water coolers.

Unit-V: Air conditioning

Introduction to Air conditioning; Factors affecting Air conditioning;
Psychometric chart and its use; Psychometric process-sensible heating and cooling, Humidifying and dehumidifying;
Adiabatic saturation process; Equipments used in air conditioning cycle;
Air conditioning units and plants.
Refrigeration and Air-conditioning tools: Tools used in refrigeration and Air conditioner installation; Installation procedure;
Faults in refrigeration and air conditioning system; Servicing procedure.

ESSENCE OF INDIAN KNOWLEDGE AND TRADITION, PAPER CODE : –, COURSE CODE : —

Basic Structure of Indian Knowledge System:
Modern Science and Indian Knowledge System
Yoga and Holistic Health care
Case Studies.

==End of Syllabus==

Syllabus of Diploma (RGPV), IV Sem, Mechanical Engineering

​MEASUREMENTS AND METROLOGY, PAPER CODE : 7406, SUBJECT CODE : 401