B.Tech. (Fifth
semester) Mechanical engineering
ME 301
E I.C.ENGINE AND GAS TURBINES
L T P/D Total Theory:
100 Marks
3 1 - 4 Sessional: 50 marks
Duration
of Exam: 03 hours
UNIT 1
Heat engines; Internal and external
combustion engines; Classification of I.C. Engines; Cycle of operations in four
strokes and two-stroke IC engines; Wankle Engine.
Assumptions made in air standard
cycles; Otto cycle; Diesel cycle; Dual combustion cycle; Comparison of Otto,
diesel and dual combustion cycles; Sterling and Ericsson cycles; Air standard
efficiency, Specific work output. Specific weight; Work ratio; Mean effective
pressure; Deviation of actual engine cycle from ideal
cycle.
UNIT II
Mixture requirements for various
operating conditions in S.I. Engines; Elementary carburetor, Calculation of
fuel air ratio; The complete carburetor; Requirements of a diesel injection
system; Type of injection system; Petrol injection; Requirements of ignition
system; Types of ignition systems, ignition timing; Spark plugs.
S.I. engines; Ignition limits; Stages
of combustion in S. I. Engines; Ignition lag; Velocity of flame propagation;
Detonation; Effects of engine variables on detonation; Theories of detonation;
Octane rating of fuels; Pre-ignition; S.I. engine combustion chambers. Stages
of combustion in C.I. Engines; Delay period; Variables affecting delay period;
Knock in C.I. Engines; Cetane rating; C.I. Engine combustion chambers.
UNIT III
Functions of a lubricating system,
Types of lubrication system; Mist, Wet sump and dry sump systems; Properties of
lubricating oil; SAE rating of lubricants; Engine performance and lubrication;
Necessity of engine cooling; Disadvantages of overcooling; Cooling systems;
Air-cooling, Water-cooling; Radiators.
Performance parameters; BHP, IHP,
Mechanical efficiency; Brake mean effective pressure and indicative mean
effective pressure, Torque, Volumetric efficiency; Specific fuel consumption
(BSFG, ISFC); Thermal efficiency; Heat balance; Basic engine measurements; Fuel
and air consumption, Brake power, Indicated power and friction power, Heat lost
to coolant and exhaust gases; Performance curves;
UNIT IV
Pollutants from S.I. and C.I. Engines; Methods of emission
control, Alternative fuels for I.C. Engines; The current scenario on the
pollution
front.
Working of a single stage
reciprocating air compressor; Calculation of work input; Volumetric efficiency;
Isothermal efficiency; Advantages of multi stage compression; Two stage
compressor with inter-cooling; Perfect inter cooling; Optimum intercooler
pressure; Rotary air compressors and their applications; Isentropic efficiency.
Brayton cycle; Components of a gas
turbine plant; Open and closed types of gas turbine plants; Optimum pressure
ratio; Improvements of the basic gas turbine cycle; Multi stage compression
with inter-cooling; Multi stage expansion with reheating between stages;
Exhaust gas heat exchanger; Application of gas turbines.
Recommended
books
v Internal combustion engine by Ramalingam
scitech publication
v Internal combustion engine by Ganeshan TMG
v Internal combustion engine by Mathur & Sharma
v Heat power engineering by Dr. V.P. Vasandhani & Dr. D.S.
Kumar
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Fifth
semester) Mechanical engineering
ME 303 E FLUID MACHINES
L T P/D Total Theory:
100 Marks
3 1 - 4 Sessional: 50 marks
Duration of Exam: 03 hours
UNIT I
Impact of jet stationary and moving flat and curved plates,
Force on series of vanes, Radial vanes, Vortex motion,
Free and forced vortex , jet propulsion of ships.
Units and dimensions; Dimensional homogeneity; Dimensional
analysis’ methods; Ray Leigh and Buckingham methods, Applications and
limitations of dimensional analysis Dimensionless numbers, Similitude laws.
UNIT II
Introduction; Development of hydraulic turbines; Components of
hydropower plant; Classification of turbines; Surge tank and its type.
Pelton turbine, Its components, Number and dimension of buckets,
Speed ratio, Jet ratio, Energy conversion, Condition for maximum efficiency;
Design considerations. Governing etc.
Francis turbine, its components, working principles. Draft tube,
Types of draft tube, Design considerations; Outward vs. Inward flow reaction
turbines, Introduction to Deriaz turbine, Evolution of axial flow turbines,
Kaplan turbine, Operation at off-design loads, Governing etc.
Unit quantities, Specific speed, Runway speed, Characteristics
of turbines,
UNIT III
Introduction, Classification,
Components, Principle of working, various heads, Energy conversion, Euler’s
head and its variation with vane shapes. Effect of finite number of vanes,
Losses and efficiencies, Minimum starting speed, Limitation of suction lift,
Net Positive Suction Head (NPSH); Multistage pumps, Specific speed and
performance.
Working principles, Classification, Components, Discharge,
Discharge slip, Power input, Indicator diagram, Effect of friction,
Acceleration and pipe friction, Maximum speed, Air vessels, Comparison with
centrifugal pumps. Model testing of pumps.
UNIT IV
Cavitations and its effects, Cavitation parameters, Detection
and Prevention of cavitations. Model testing of turbine
Propeller pump, Jet pump, Airlift pump, Gear pump, Screw pump,
Vane pump, Radial piston pump, Submersible pump, Pump problems
Hydraulic accumulators, Hydraulic intensifier, Hydraulic lift,
Hydraulic crane. Hydraulic coupling, Torque converter, Hydraulic ram.
Recommended books
v Fluid mechanics and machinery by S.K.Aggarwal TMG
v Fluid mechanics & fluid power engineering by D.S kumar,
Katson publisher
v Fluid mechanics and Hydraulic machine by S.S rattan, Khanna
publisher
v Introduction to fluid mechanics and machinery by Som and
Bishwas, TMH
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Fifth
semester) Mechanical engineering
ME 305
E HEAT - TRANSFER
L T P/D Total
Theory: 100 Marks
3 1 - 4
Sessional: 50 marks
Duration of Exam: 03 hours
UNIT I
Definition of heat; Modes of Heat Transfer; Basic Laws of heat
transfer, Electrical Analogy of heat conduction; Conduction through composite
Walls; Overall heat transfer coefficient.
The general conduction equation in
Cartesian, cylindrical and spherical coordinates Steady one dimensional heat
conduction without internal heat generation; The plane slab; The cylindrical
shell; The spherical shell; Critical thickness of insulation; Variable thermal
conductivity, Steady one dimensional heat conduction with uniform internal heat
generation the plane slab; Cylindrical and spherical systems; Fins of uniform
cross section; Governing equation; Temperature distribution and heat
dissipation rate; Efficiency and effectiveness of fins.
UNIT II
Free and forced convection; Newton’s law of cooling, Convective
heat transfer Coefficient; Nusselt number; Dimensional analysis of free and
forced convection; Analytical solution to forced convection problems; The
concept of boundary layer; Hydrodynamic and thermal boundary layer; Momentum
and Energy equations for boundary layer; Exact solution for laminar flow over
an isothermal plate using similarity transformation; The integral approach; Integral
momentum and energy equations; Solution of forced convection over a flat plate
using the integral method. Analysis of free convection; governing equations for
velocity and temperature fields. Relation between fluid friction and heat
transfer, Reynolds analogy Dimensionless numbers; Reynolds, Prandtl Nusselt ,
Grashoff and Stanton Numbers and their significance, Heat transfer with change
of phase; Nusselt theory of laminar film Condensation.
UNIT III
Theories of thermal radiation; Absorption, Reflection and
transmission, Monochromatic and total emissive power; Black body concept;
Planck’s distribution law; Stefan Boltzman law; Wien’s displacement law;
Lambert’s cosine law; Kirchoff’s law; Shape factor; Heat transfer between black
surfaces.
UNIT IV
Introduction; Classification of heat exchangers; Logarithmic
mean temperature Difference; Area calculation for parallel and counterflow heat
exchangers; Effectiveness of heat exchangers; N T U method of heat exchanger
design; Applications of heat exchangers.
Reference and Text books:
v A Text book of Heat Transfer by S.P Sukhatme, university press
v Heat transfer by Holman, TMG
v Heat and Mass transfer by D.S Kumar
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Fifth semester) Mechanical engineering
ME 307 E INDUSTRIAL
ENGINEERING
L T P/D Total
Theory: 100 Marks
3 1 - 4 Sessional:
50 marks
Duration
of Exam: 03 hours
UNIT I
Introduction to work study; Method study; Basic procedure;
Recording techniques (charts and diagrams); Elemental breakdown; Micro-motion
studies; Therbligs; SIMO-chart; Principles of motion
–economy.
Introduction; Objectives; technique; (time) information
recording; methods of timings; Time study allowances; Work sampling technique;
Performance rating and its determination PMTS; M. T. M.; Work factor.
UNIT II
Principles of organization,
Importance and characteristics of organization, Organization theories;
Classical Organization theory; Neo-Classical organization theory, Modern
organization theory; Types of organization, Military or line organization,
Functional organization, Line and staff organization, Committees.
Objectives of PPC; Functions of PPC;
Preplanning and planning; Routing; Estimating; scheduling-master schedule;
Daily schedule; Gantt chart; Dispatching –centralized vs. decentralized;
Control; Follow up and progress reporting.
Introduction; Product development;
Product characteristics; Role of product development; 3Ss – Standardization;
Simplification and Specialization.
UNIT III
Introduction, Objectives and
importance of sales forecasting, Types of forecasting, Methods of sales
forecasting-Collective opinion method, Delphi technique, economic indicator
method; Regression analysis, Moving average method, Time series analysis.
Introduction, Functions of inventory;
Types of inventory; Control importance and functions, Inventory costs, Factors
affecting inventory control, Various inventory control models. A. B. C.
analysis, Lead-time calculations.
UNIT IV
Introduction; Objectives; Concept and
life cycle of a product and V.E.; Steps in VE., Methodology and techniques,
Fast diagram, Matrix method.
Various concepts in industrial engineering
a) WAGES AND INCENTIVES; -Concept;
Types; Plans; Desirable characteristics.
b) ERGONOMICS; - its importance;
Man-machine work place system; Human factors considerations in system design.
c) SUPPLY CHAIN
MANAGEMENT; - its definition, Concept, Objectives, Applications, benefits, Some
successful cases in Indian Industries.
d) JIT; - Its definition, Concept,
Importance, Misconception, Relevance, Applications, Elements of JIT (brief
description).
e) MRP;-Introduction, Objectives,
factors, Guide lines, Techniques Elements of MRP system, Mechanics of MRP,
MRP-II
f) TIME
MANAGEMENT;-Introduction, Steps of time management, Ways for saving time, Key
for time saves.
Reference and Text books:
v Production planning and control by S.Elion
v Modren production Management by S.S Buffa
v Industrial engg. and management manufacturing system by Surender
kumar, Satya prakashan
v Essence of Supply Chain Management by R.P mohanty and S.G
Deshmukh
v Industrial engg. and management by S Sharma and Savita sharama
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Fifth
semester) Mechanical engineering
ME 309 E Machine Design- 1
L T P/D Total
Theory: 100 Marks
2 - 5 7 Sessional: 50 marks
Duration
of Exam: 03 hours
UNIT I
Properties: Chemical, Physical,
Mechanical and Dimensional; Ferrous metals, Non-ferrous metals, Plastics,
Composite materials etc.; Selection of Engineering Materials.
Design methodology; Design criterion
based on fracture; Deformation and elastic stability design stresses; Factor of
safety; Significant stress and significant strength; Stresses-concentration;
Causes and mitigation; Endurance limit; Effect of concentration; Notch
sensitivity; Size and surface finish; Goodman diagram; Gerber’s parabola and
Soderberg line.
UNIT II
Supports and retainment of rotating assemblies; manufacturing
considerations of design, design of castings and
weldments.
Riveted joints for boiler shell
according to I. B. R.; riveted structural joint; and riveted joint with
eccentric loading; Types of welded joints; strength of welds under axial load;
Welds under eccentric loading; Designation of various types of bolts and nuts,
Design of bolted joints, Bolts of uniform strength, Bolted joints with
eccentric loads, Design of Keys, Cotter joint and knuckle joints.
UNIT III
Design of shafts subjected to pure
torsion; Pure bending load; Combined bending and torsion; Combined torsion; Bending
and axial loads.
Introduction, hand and foot levers,
cranked lever, lever for a lever safety valve, Bell crank lever. Miscellaneous
levers.
UNIT IV
Types of shaft couplings, Design of
sleeve or muff coupling; Flange coupling and bush type flexible couplings.
Introduction, Design of circular,
oval shaped and square flanged pipe joints.
Function, types of power screws,
stresses in screws, design calculations.
References and text
books:
v Design of machine element By Bhandari
v Machine design by Malvee and
Hartmann, CBS publication
v Machine design by Sharma and Aggarwal
v PSG Design Data
Book PSG College of Engg PSG
Publication
v Machine Design an integrated Approch
Robert l Norton, prentice hall
v Fundamental of machine component
design R.C Juvinnal, Johan wiley& sons
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Fifth semester) Mechanical engineering
ME 311 E STEAM GENERATION & POWER
L T P/D Total Theory: 100 Marks
3 1 - 4 Sessional: 25 marks
Duration of Exam: 03 hours
UNIT I
Introduction; classification of boilers; comparison of fire tube
and water tube boiler; their advantages; description of boiler; Lancashire;
locomotive; Babcock; Wilcox etc.; boiler mountings; stop valve; safety valve;
blow off valve; feed check etc.; water level indicator; fusible plug; pressure
gauge; boiler accessories; feed pump; feed water heater; preheater;
superheater; economizer; natural draught chimney design; artificial draught;
stream jet draught; mechanical draught; calculation of boiler efficiency and
equivalent evaporation(no numerical problem)
UNIT II
Carnot cycle; simple and modified
Rankine cycle; effect of operating parameters on rankine cycle performance;
effect of superheating; effect of maximum pressure; effect of exhaust pressure;
reheating and regenerative Rankine cycle; types of feed water heater; reheat
factor; binary vapour cycle.
Simple steam engine, compound engine; function of various
components.
UNIT III
Function of steam nozzle; shape of nozzle for subsonics and
supersonics flow of stream; variation of velocity; area of specific volume;
steady state energy equation; continuity equation; nozzle efficiency; critical
pressure ratio for maximum discharge; physical explanation of critical
pressure; super saturated flow of steam; design of steam nozzle.
Advantage of steam condensation; component of steam condensing
plant; types of condensers; air leakage in condensers; Dalton’s law of partial
pressure; vacuum efficiency; calculation of cooling water requirement; air
expansion pump.
UNIT IV
Introduction; classification of steam turbine; impulse turbine;
working principal; compounding of impulse turbine; velocity diagram;
calculation of power output and efficiency; maximum efficiency of a single
stage impulse turbine; design of impulse turbine blade section; impulse reaction
turbine; working principle; degree of reaction; parsons turbine; velocity
diagram; calculation of power output; efficiency of blade height; condition of
maximum efficiency; internal losses in steam turbine; governing of steam
turbine.
Text Books :
1.
Thermal Engineering – P L Ballaney, Khanna Publishers
2.
Thermodynamics and Heat Engines vol II – R Yadav, Central
Publishing House
Reference Books :
1.
Applied Thermodynamics for Engineering Technologists – T D
Eastop and A McConkey, Pearson Education
2.
Heat Engineering – V P Vasandani and D S Kumar, Metropolitan
Book Co Pvt Ltd
NOTE: In the semester examination, the examiner will
set 8 questions in all, at least two question from each unit, and students will
be required to attempt only 5 questions, at least one from each unit.
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