1 | Page An ISO 9001-2015 Certified Institute SantGajananMaharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur Department of Mechanical Engineering COURSE PLAN Course Code ME311 Course Name Control Engineering Prepared by Mr. Amol Kambale Academic Year 2019-20 Verified by Mr. V. R. Ghatage(HOD ME) Approved by Academic Coordinator/ Principal Objective Provide an introduction and basic understanding of Control System, its types, applications, System Response, system stability and various control actions. Prepare mathematical model of physical simple systems and Learn to use MATLAB software to analyse control system. COURSE OUTCOMES At the end of this course the students should be able to: Sr. No. CO CO No. 1. Understand control system, its type and applications. ME311.1 2. Understand model of physical simple systems ME311.2 3. Understand various transient response of control system ME311.3 4. Study the system stability and system response. ME311.4 5. Understand various control actions. ME311.5 6. Use MATLAB software to analyze control systems. ME311.6 EXAMINATION SCHEME Examination Scheme Theory Term Work #POE Total Maximum Marks 100 25 ** 125 Contact Hours 3 2 ** 5
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An ISO 9001-2015 Certified Institute
SantGajananMaharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur
Department of Mechanical Engineering
COURSE PLAN
Course Code ME311 Course Name Control Engineering
Prepared by Mr. Amol Kambale Academic Year 2019-20
Verified by Mr. V. R. Ghatage(HOD ME) Approved by Academic Coordinator/
Principal
Objective
Provide an introduction and basic understanding of Control System, its types,
applications, System Response, system stability and various control actions.
Prepare mathematical model of physical simple systems and Learn to use
MATLAB software to analyse control system.
COURSE OUTCOMES
At the end of this course the students should be able to:
Sr. No. CO CO No.
1. Understand control system, its type and applications. ME311.1
2. Understand model of physical simple systems ME311.2
3. Understand various transient response of control system ME311.3
4. Study the system stability and system response. ME311.4
5. Understand various control actions. ME311.5
6. Use MATLAB software to analyze control systems. ME311.6
EXAMINATION SCHEME
Examination
Scheme Theory Term Work #POE Total
Maximum Marks 100 25 ** 125
Contact Hours 3 2 ** 5
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MAPPING OF COs-Pos
POs
COs a b c d E f g h i j k l
ME311.1 3 2
ME311.2 3 2
ME311.3 2 2
ME311.4 2 2
ME311.5 3 2
ME311.6 3 2
Degree of Compliance of COs and POs 1: Low 2: Medium 3: High
COURSE CONTENTS
Chapter
No. Contents No. of Hours
I
Introduction to Automatic Control:
Generalized Control System Types, Open Loop and Closed Loop, Linear and
Non-Linear, Time Variant and Time invariant Systems with Examples.
Advantages of Automatic Control Systems. Mathematical Model of Control
1. Determination of thermal conductivity of Insulating powder ME 313.01
2. Determination of thermal conductivity of insulating material in Lagged pipe
ME 313.01
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3 Determination of local and average heat transfer coefficient in Natural convection
heat transfer from a vertical cylinder. ME 313.02
4. Determination of Heat Transfer Coefficient under forced convection to air from a
Heated pipe. ME 313.02
5. Determination of emissivity of a Nonblack surface. ME 313.05
6. Determination of Stefan Boltzmann Constant. ME 313.05
7. Determination of heat transfer coefficient in dropwise and filmwise condensation ME 313.06
8. Determination of overall heat transfer coefficient and effectiveness in a Parallel
flow and Counter flow Heat Exchanger. ME 313.06
9. Study and Demonstration of Heat Pipe ME 313.01
10. Performance analysis of extended surfaces ME 313.03
ASSIGNMENT QUESTIONS/QUESTION BANK
Unit- I (Assignment 1) Basic Concepts 16-24 Marks
Que
.
No.
Question CO No. Remark
1.
Derive an one dimensional heat transfer equation without heat
generation for cylinder
ME 313.01
Common for All
2. Effect of temperature on thermal conductivity ME 313.01
3.
An aluminum pipe carries steam at 110 C. The pipe (K= 185 W/mK)
has an inner diameter 10 cm and outer diameter 12 cm. The pipe is
located in a room where the ambient temperature is 30 C and
convective heat transfer coefficient 15 w/m2-k. Determine heat transfer
rate per unit length and parentage reduction in heat loss by the
insulation. Neglect convective resistance of steam.
ME 313.01
4. Derive the expression for critical radius of insulation for cylinder ME 313.01
5. Derive differential equation of conduction in Cartesian coordinate
system . Also give its different forms
ME 313.01
Unit-II: (Assignment 2) Heat conduction with heat generation and unsteady state heat conduction
16 to 26 Marks
1. Derive heat transfer per unit area equation for insulated tip fin
ME 313.02
Common for All 2. Explain fin efficieny and effectiveness
ME 313.02
3. Explain Lumped heat capacity system with biot and fourier numbers ME 313.02
Unit- III:(Assignment 3) Extended Surfaces 16 to 24 Marks
Que.
No. Question CO No. Remark
1. Derive expression for temperature distribution and heat transfer rate of
a Fin with insulated tip ME 313.03 Common for All
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2.
A steam at 300°C is passing through a steel tube A thermometer
pocket of steel(K=45W/m°K) of inside diameter of 14mm and 1mm
thick is used to measure the temperature .Calculate the length of
thermometer pocket needed to measure the temperature within 1.8%
possible error The diameter of steel tube is 95mm The heat transfer
coefficient is 93 W/m2°K and tube wall temperature is 100°C
ME 313.03
3. Explain different types of fins. ME 313.03
Unit- IV:(Assignment 4) CONVECTION 16 to 24 Marks
1. Explain the analysis the problem of forced convention with the help of
dimension analysis ME 313.04
Common for All
2. Explain the hydrodynamic and thermal boundary layer ME 313.04
3.
A two stroke motor cycle petrol engine cylinder consists of 15 annular
fins
If outside and inside diameters of each fin are 200mm & 100mm
respectively The average fin surface temperature is 475°C & they are
exposed to air at 25°C Calculate heat transfer rate when motor cycle is
at
rest The thermo physical properties of air at 250°C are k=0.0427
W/m°K Pr=0.677 v=40.61*10-6m2/s use following correlation
Nu=0.54(Gr.Pr)0.25
ME 313.04
Unit- V: (Assignment 5) RADIATION: 16 to 24 Marks
1. State Planks law and derive Stefan Boltzmann law from planks law ME 313.05
Common for All
2. Explain absorbitivity, reflectivity, transmissivity. ME 313.05
3.
Two parallel infinite gray surfaces are maintained at temperature
127°C and 227 °C respectively If temperature of hot surface is
increased to 327 °C By what factor is the net radiation exchange per
unit area increased ?Assume emissivity’s of colder and hotter surface
to be0.9and 0.7respectively
ME 313.05
Unit- VI: (Assignment 6) HEAT EXCHANGERS AND PHASE CHANGE PHENOMENON
16 to 24 Marks
1.
Distinguish between
i) Sub cooled and saturated boiling
ii) Pool Boiling and forced convection boiling
ME 313.06
Common for All
2. Effectiveness –NTU method of heat exchanger Design ME 313.06
3.
A Heat Exchanger is required to cool 55000kg/Hr of alcohol from
66°C to
40°C using 40,000kg/hr of water entering at 5 °C Calculate:
I)Exit Temperature of water
ii)Heat Transfer Rate
iii) Surface area required for parallel and Counter flow type of heat
exchanger
Take Cp(alcohol)=3760 J/kg °K,Cp(Water)=4180 J/kg °K,U=580W/m2°K
ME 313.06
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An ISO 9001-2015 Certified Institute
Sant Gajanan Maharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur
Department of Mechanical Engineering
COURSE PLAN
Course Code ME314/ 66244 Course Name Machine Design-I
Prepared by Mr. R. V. Bammankatti Academic Year 2019-20
Verified by Mr. V. R. Ghatage (HOD MECH.) Approved by
Academic Coordinator/
Principal
Objective
Provide an introduction and basic understanding of principles involved in evaluating the dimensions of a component to satisfy functional and strength requirements. And to learn use of catalogues and design data book.
COURSE OUTCOMES
At the end of this course the students should be able to:
Sr. No. CO CO No.
1. Study the fundamentals of machine design ME314.1
2. Design machine elements on the basis of strength concept ME314.2
3. Use design data books and standard practices ME314.3
4. Select machine elements from manufacturer’s catalogue ME314.4
EXAMINATION SCHEME
Examination
Scheme Theory
Term
Work/tutorial #POE Total
Maximum Marks 100 25 125
Contact Hours 4 1 6
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MAPPING OF COs-Pos
POs
COs a b c d e f g h i j k l
ME314.1 3
ME314.2 2 3
ME314.3 3 2 2
ME314.4 2 2
Degree of Compliance of COs and POs 1: Low 2: Medium 3: High
COURSE CONTENTS
Unit No. Contents No. of Hours
I
Fundamentals of Machine Design:
Concept of Machine design, Types of loads, Factor of safety- its selection and
significance, Review of theories of elastic failure and their applications, Basic
procedure of design of machine elements, Review and selection of various
engineering material properties and I.S. coding for ferrous materials, Factors
governing selection of Engineering materials.
5 Hrs.
II
Design of Joints and Machine Elements:
Design of machine elements under static loading- Knuckle joint, Turn buckle and bell crank Lever. Design of bolted joints subjected to following conditions- 1) Joints in shear 2) Joints subjected to load perpendicular to the axis of bolt. Design of welded joints- Strength of transverse and parallel fillet welds Eccentric load in the plane of weld Welded joint subjected to bending moment.
9 Hrs.
III
Design of Shaft, Keys, and Couplings :
Design of solid and hollow shafts, splined shafts, ASME code for shaft design, Types and Design of Keys, Types of Couplings, Design of Muff, Rigid Coupling, flexible bushed pin type flanged coupling.
6 Hrs.
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IV
Design of spring:
Types of springs and their applications, Styles of end, Design of Helical Compression, Spring subjected to static loading.
5 Hrs.
V
Design of Power Screw:
Forms of threads, Terminology of threads, Torque requirement (lifting and lowering load) Self locking and overhauling properties, Efficiency of square threaded, Self locking screw, Trapezoidal and Acme thread, collar friction torque, Design of power screw and nuts, Introduction to Recirculating ball Screw.
9 Hrs.
VI
Design of Pulley and Selection of Belts:
Design of Pulley- flat and V belt pulley, Selection of flat belt, V belt as per the standard manufacturer’s catalogue, Introduction to timing belts.
6 Hrs.
EVALUATION SCHEME
Section Maximum Marks Question No. Chapter No.
I
6 Q1- a, b 1
6, 8 Q1- c, d, Q2- a, b 2
6, 10 Q3- a, b 3
II
6, 10 Q4- a, b 4
6, 12 Q5- a, b 5
6, 10 Q6- a, b 6
REFERENCES
Books
1. V.B.Bhandari, Design of Machine Elements, 3e, Tata McGraw Hill Publication
2. J.F. Shigley, Design of Machine Element, Tata McGraw Hill Publication
3. U.C.Jindal, Machine Design , Pearson
4. R.L Norton, Machine Design An Integrated Approach, 2e , Pearson
5. Robert C. Juvniall, Machine Component Design,5e , Willey
6.
7.
8.
9.
Data Manuals
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1. V. B. Bhandari, Machine Design Data Book, 1e, 2014, Tata McGraw Hill Publication
2. PSG Design data Book
E-books/E-Links
1. J.F. Shigley, Design of Machine Element, Tata McGraw Hill Publication
2.
3.
NPTEL /Other Video Links
1. Theories of failure. Strength of materials
[https:// youtu.be/qbv2rOEMyiA]
2. Design of knuckle joint
[NPTEL: Lecture 13- Design of fasteners, https:// youtu.be/ J9Aj17MAyLY]
3. Design of coupling
[https:// youtu.be/Q60smssCepA]
4.
5.
6.
7.
8.
9.
10.
11.
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ASSIGNMENT QUESTIONS/QUESTION BANK
Unit- I Fundamentals of Machine Design 6 to 12 Marks
Que.
No. Question CO No. Remark
1. What is factor of safety? Why it is used in machine design?
2. State & explain various steps involved in design of a machine
elements
3. Enlist different theories of failure. Explain maximum principal
stress theory / maximum shear stress theory with its limitations
4. Discuss various factors that govern selection of material while
designing a machine component
Unit-II: Design of Joints and Machine Elements
1. Draw neat sketch of a knuckle joint and explain the design procedure.
2. Write a note on design of bolted joints with load perpendicular to the axis of bolt.
3. What are advantages and disadvantages of welded joints over bolted joints?
4. Design a knuckle joint to transmit a pull of 80 KN. The permissible stresses are 70 MPa in tension, 55 MPa in shear and 120 MPa in compression.
5.
Design a turn- buckle to be used for a stay rope subjected to pull of 18 KN. The permissible tensile stress for the steel rods used is 72 MPa. The permissible tensile and shear stress for the cast iron nut used is 36 MPa and 30 MPa respectively. Design the turn- buckle.
6.
Design a right angled bell crank lever. The horizontal arm is 500 mm long and a load of 5 KN acts vertically download at the end of this arm. A short arm is 100 mm on which force acts. The permissible stresses for lever and pin materials are 75 MPa in tension and 60 MPa in shear. Safe bearing pressure is 10 N/ mm2. The lever has rectangular cross section and ratio of width to thickness is 3:1. The pin
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length is 1.25 times pin diameter.
7.
A rectangular steel plate is welded as a cantilever to a vertical column. It carries 50 KN as shown in fig. P8. Determine the weld size if shear stress in the same is not exceed to 120 N/ mm2. Refer sketch (All dimensions are in mm)
Unit- III: Design of Shaft, Keys, and Couplings
Que.
No. Question CO No. Remark
1. Discuss design of shaft for rigidity
2. What are various types of keys? Compare stresses in woodruff key with flat key?
3. What are different types of coupling? Discuss the design procedure for muff coupling.
4.
It is required to transmit a power of 7kW at 750 rpm. The angular deflection of the steel of the steel spindle transmitting the power should not be more than 0.35° per meter length. The modulus of rigidity for the spindle material is 84 GPa. Determine the diameter of the spindle and the shear stress induced in it.
5.
Design and draw rigid unprotected type flanged coupling to transmit 20 KW at 1000 rpm. The maximum torque is 25% more than mean torque. The permissible shear stress for bolt, shaft and key is 40 MPa and crushing stress for bolt and key is 80 MPa. The permissible shear stress for
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flange material is 18 MPa.
Unit- IV: Design of spring
1. What are the various types of springs used in practice? explain one
application of each.
2. Explain with neat sketches, the stresses induced in helical spring of
circular cross section.
3. Derive an expression for deflection of helical spring of circular
wire.
4.
Design a helical compression spring for a maximum load of 1000 N
for deflection of 25 mm using the valve having spring index of 5. the
maximum permissible shear stress for spring wire is 420 MPa and
modulus of rigidity is 84 KN/ mm2. assume square and ground ends.
Unit- V: Design of power screws
1. Derive an expression for maximum efficiency for square threaded
screw.
2. Discuss various forms of threads used for power transmission giving
their relative merits and demerits
3.
The nominal diameter of triple threaded screw thread is 50 mm,
while the pitch is 8 mm. It is used with collar having outer diameter
of 100 mm and inner diameter as 65 mm. The coefficient of friction
at thread surface as well as collar surface can be taken as 0.15. The
screw is used to raise a load of 15 KN. Using the uniform wear
theory for collar friction, calculate:
i. torque transmitted to raise the load
ii. Torque transmitted to lower the load; and
iii. the force required to raise the load, if applied at a radius of
500 mm
Unit- VI: Design of Pulley and Selection of Belts
1. Explain the step by step procedure for selection of v- belt from
manufacturers catalogue.
2. It is required to select a flat belt drive for a compressor running at
720 rpm, which is driven by a 25 KW, 1440 rpm motor. space is
available for a centre distance of 3 m. The belt open- type.
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An ISO 9001-2015 Certified Institute
Sant Gajanan Maharaj College of Engineering, Mahagaon Site- Chinchewadi, Tal- Gadhinglaj, Dist- Kolhapur
Department of Mechanical Engineering
COURSE PLAN
Course Code ME315 Course Name Manufacturing Engineering
Prepared by Mr. M.G.MULLA Academic Year 2019-20
Verified by Mr. V. R. Ghatage (HOD MECH) Approved by
Academic Coordinator/
Principal
Objectives
1. Study of metal cutting technology including the process, measurements, design and
selection of various cutting tools and their industrial specifications.
2. Introduce the students to design practices of tooling (Jigs and Fixtures) and die
design for presswork.
3. Introduce the students to design practices of Single spindle automat.
4. Study of various aspects of CNC machine technology and its tooling.
COURSE OUTCOMES
At the end of this course the students should be able to:
Sr. No. CO CO No.
1. Identify parameters of single and multipoint cutting tools ME315.01
2. Identify parameters of Tool Life & Calculation of Tool Life ME315.02
3. Understand single spindle automat, tool layout, cam design ME315.03
4. Selection of production tooling & Design of jigs and fixtures ME315.04
5. Select and design dies for press working operations ME315.05
6. Understand and apply CNC technology ME315.06
EXAMINATION SCHEME
Examination
Scheme Theory Term Work #OE Total
Maximum Marks 100 25 ** 125
Contact Hours 3 2 ** 5
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MAPPING OF COs-Pos
POs
COs a b c d e f g h i j k l
ME315.01 1 2
ME315.02 1 2 3
ME315.03 1 3 2 1
ME315.04 3 2 2
ME315.05 3 2
ME315.06 1 3 2
Degree of Compliance of COs and POs 1: Low 2: Medium 3: High
COURSE CONTENTS
Chap
ter
No.
Contents No. of
Hours
I
Unit 1Theory of Metal Cutting
Wedge action, Concept of speed, Feed and depth of cut, orthogonal and oblique cutting.
Mechanics of metal cutting-Chip formation, Types of chips, cutting ratio, shear plane and
shear angle, velocity relationships, force measurement by tool dynamometers, cutting tool
materials and their properties, Advanced cutting tools. Machinability of Metals- Factors
affecting, improvement and machinability index.
07 Hrs.
II
Unit 2 Tool Life and Tool geometry
A. Tool life - Types of wear, relationship with cutting parameters, Taylor’s equation, and
improvement measures. Surface finish- Factors affecting, effect of cutting parameters,
improvements. Heat generation in machining, its effect on cutting force, tool life and surface
finish, types and selection criteria of cutting fluids.
B. Tool geometry-Parts, angles and types of single point cutting tools, tool geometry of
single point cutting tool, tool geometry of multipoint cutting tools.-drills, milling cutters,
reamers.
07 Hrs.
III
Unit 3 Form Tools and Automat
Types (Flat, Circular, Dovetail) Correction of form tools with and without rake angles, tool
layout of single spindle, automat, process sheet, cam profile, tool layout, calculation of
production rate.
06 Hrs.
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IV
Unit 4 Drilling Jigs and Milling Fixtures
Applications, basic elements, principles and types of locating, clamping and indexing
elements, auxiliary elements like tenon, setting block etc. Type of Drilling jigs and Milling
fixtures-Design consideration of Jigs and fixtures with respect to different operations.
Introduction to modular fixtures.
08 Hrs.
V
Unit 5 Press Tools
Dies, punches, types of presses, clearances, types of dies, strip layout, calculation of press
capacity, center of pressure, Design consideration for die elements (Theoretical treatment
only).
06 Hrs.
VI
Unit 6 CNC Technology and Tooling CNC Technology and CNC tooling: Introduction, Construction and working of CNC, DNC and
machining center. CNC axes and drives. Automatic Tool Changer (ATC) and Automatic pallet
changer (APC) New trends in Tool Materials, Turning tool geometry, Tool inserts (coated and
uncoated), Modular tooling system for Turning. Milling tooling systems, Tools presetting, Work
holding.
06 Hrs.
EVALUATION SCHEME
Secti
on Maximum Marks Question No.
Chapter
No.
I
16-20 Marks Question-1 Chapter-
1
16-20 Marks Question-2 Chapter-
2
18-24 Marks Question-3 Chapter-
3
II
18-28 Marks Question-4 Chapter-
4
16-20 Marks Question-5 Chapter-
5
16-20 Marks Question-6 Chapter-
6
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REFERENCES
Books
1. “Elements of Workshop Technology Vol. II”, S. K Hajra Choudhury , Media
Promoters and Publishers, Mumbai.
2. “Text Book of Production Engineering”, P.C. Sharma, S. Chand Publication, 11th