P- 401 ELEMENTS OF MACHINE DESIGN

 

Teaching Scheme Theory Hrs.    Practical Hrs.   03                    04

Examination Scheme              Theory    Pract/Oral     Term work      Total Marks    Hrs.     Marks            Marks             Marks 100         04         25                  25         =       150

 

A. THEORY

 

1. Design Consideration in  Machine Parts

Stress Concentration in m/c elements , stress concentration  factor, methods of  relieving  stress concentration,  Notch sensitivity, thermal stresses, contact stress.

2. Design of  Shaft

Design  of  shaft  for strength and rigidity consideration, combined and  torsion of  Shafts,

3. Design  of  Springs

Stresses in  coil spring of round wire design of compression & tension springs, Believe spring , concentric springs, spiral springs.

4. Struts  and Columns

            design of  connecting rod. Push rods and piston rods etc.,

5. Design of Presser Vessels

Design of thick & thin cylinders, pipes, tubes, cylinder covers,  covers bolts, Initial  tightening of bolts, design  of pressure vessels  according  to different  standard of  design, design considerations in pressure vessels, design of  pipes, hydraulic press, hydraulic intensifier.

6. Design of Mechanical Power transmission  Elements

            Design  of flat belts , V – belts , design of pulleys, Design of flywheel etc.

 

B. TERM WORK

            The term work shall be based on the course under  machine design – I as Under.

1. 1.    Atleast two complete working drawing if  Imperial size. (A2) for the  details  and Assembly of component designed.
2. 2.    Minimum six minor problems.

1.             C.   PRACTICAL/ ORAL

            The paractical / oral examination shall be based on the above topics.

             D. BOOKS

            1.  Machine Design by    Pandya & shah 

            2.  Machine Design by    Patel & Pandya Vol. II

            3.  Machine Design by     Nagpal

            4.  Machine Design by     Sunderajmurty

            5.  Machine Design by     Hall

            6.  Machine Design by    Bahal & Goel

            7.  Machine Design by     Sharma & Agrawal

            8.  Machine Design by    Khurmi & Gupta

            9.  Machine Design by    R.K. Jain.

1.                  10. Fundamental  of mc. Design by Phelan.
2.                  11.Design of mc/ Elements by Fairs.
3.                  12.Machine Design by Dr. S. Singh Khanna.

           13.Mech. Engg. Design by R.B. Gupta.

 

LIST OF EXPERIMENT

  

(A)       MINOR DESIGN PROBLEMS 

1.                  Study of design consideration in machine parts.

2.                  Study about design of Shaft.

3.                  Study about design of springs.

4.                  Study about design of Struts & Columns.

5.                  Study about design of Pressure Vessels.

6.                  Study about design of Mechanical Power Transmission Elements.

 

(B)       MALOR DESIGN PROBLEMS. 

            Design & draw Assembly & Details drawing of Hydraulic Press (B-1& B3

            Batch) / V- Belt drive (B-2 & B4 Batch)

P- 402 MECHANICAL MEASUREMENT & METROLOGY

 

Teaching Scheme Theory Hrs.             Practical Hrs.		Examination Scheme
		Marks	Theory Hrs.	Practical/Oral Marks	Term work Marks	Total Marks
04	02	100	03	25	25	150

 

A.        THEORY

 

             PART – I   MECHANICAL MEASUREMENTS

 

1.               1.   Introduction to  Measurements

1. Generalized Measurement  system, static & dynamic     characteristics  of instruments, types of  measurement system , Instrumental error  & its analysis, etc.

1.               2.  Temperature Measurement 

1.  Expansion Thermometers , Change- of state hermometers parametric cones,  electrical methods, pyrometry, radiation pyrometers, optical pyrometer,  Calibration  of  temperature measuring instruments.

1.                3. Pressure Measurement

1.   Pressure standards and methods of pressure measurement , deadweight pressure gauge, manometers, elastic  deformation  gauges, electrical methods, piezoelectric pressure transducer, measurement of vacumpressdures, calibration , etc.

1.                4. Flow Measurement

1. Types of flow measure sing instruments,  measurement of pressure differential, velocity probes, aerodynamic problem, total pressure probes, special methods, flow visualization  methods , etc.
2.  
3.  5.  Measurement  force , torque & power  
4.  
5. Direct  methods  and indirect method, force measuring  inst. Torque measuring inst. And power measuring  inst.  Etc.
6.  
7. 6.Miscellaneous measurement  of displacement , velocity  acceleration, speed, frequency  and  viscosity.

   PART – II   METROLOGY

 

1. 1. Fundamentals of metrology, standard of measurement, method of  measurement.
2. 2. Linear measuring  instrument Working  principle , constriction , Measurement prouder, error  andelimination, limitations and calibration of different linear measuring  instruments.
3. 3.Angular measurement: Working  principal , construction , measurement procedure, error andelimination, limitations and calibration of  different  angular measuring instruments.
4. 4.Surface roughness measurement : Different surface  roughness standards of  measurements, mechanical and  electrical  and  electronic surface roughness  measuriasdng  instruments.
5. 5.Metrology  of Screw thread:  Errors in threads,   drunken thread, pitch errors, Measurement of various  elements  in threads,  measurements of  major diameter, minor diameter,  effective diameter . Best wire,
6. 6. Measurement  of pitch.
7. 7. Measurement  & Testing of Gears : Gear measurements , rolling tests, Parkston  gear tester.
8. 8. Measurements of  individual  elements , Measurement  of     tooth  thickness, base pitch. Gear  tooth caliper,
9. 9. David  brown tangent comparator , tangential  gear tooth caliper, Checking  of     profile  of   gear.
10. 10. Measurements of gear pitch Composite method of gear checking.
11. 11. Geometrical Dimensioning  & Comparators.

Straightness, flatness, sureness ,  parallelism,  circularity, rotation & its measurements.

            Types and  characteristics of  comparators , Merits  and  demerits , Toolmaker’s  microscope, profile

               projector, auto collimators, alignment telescope,  optical dividing head, optical flat, their study & use.

 

B. PRACTICAL:  The laboratory work shall consist of study type/ performance evaluation type  experiments on the above topics.

 

C. TERM WORK :  Term work shall consist of laboratory/ practical work to be written and reported in the form of a  JOURNAL.

 

D. BOOKS

1. 1.  Mechanical Measurement  and  Metrology by R.K. jain
2. 2.  Mech. Meas. & Control  by D.S. Kumar.
3. 3.  Measurement  by Dobellin.
4. 4.   Metrology  by R.K. Jain
5. 5.   Engineering  measurements  by C.V. Collet and Hope.

• LIST OF EXERCISES

1. To Study about generalized measurement system .

2. To study of liner angular instruments.

3. To study different types of gauges.

4. To study of measure process capability of give component.

5. To study about comparator.

6. To study about surface roughness.

7. To study about metrology of screw tired & exp. On measurement of effective die using two wire & three wire method.

8. To study the metrology of gear exp on measurement of diff. Parameter tool caliper  & gear root micrometer.

9.  To study about alignment test & paper chart to measure geometry of parameter.

10.  To study about pressure measuring instrument.

11.  To study about temp. Measuring instrument.

12.  To study about flow measuring instrument

P- 403 Engineering Metallurgy 

 A.      THEORY 

1. 1. Structure of Metals, Fracture, Macro-examination, Spark Test, Sculptures Print, Macro-etching,
2. 1. Microscopic examinations, Magnetic Testing, Chemical analysis of steel and iron for C, S &P.
3. 1.  Iron-Carbon diagram - plain carbon steels, Allotropy of iron.
4. 1. Crystallization of metals, Solidification of an alloy solid solution types, Thermal Equilibrium, diagrams of binary alloys, Effects of  Structure on Physical Properties.
5. 1. Cast Iron : Grades, Alloy  Cast Iron, Malleable Iron, S. G. Iron.
6. 1.  Wrought Iron : Properties and uses.
7. 1. Steel : Properties and uses, Effects of alloying metals, Classification of Steels.
8. 1. Heat Treatment Of  Steels : Study of Heat-Treatment processes such as spheroid zing, hardening , tempering , austempering, attempting ,case-hardening, nit riding, cyaniding, induction hardening, flame-hardening, ageing.
9. 1. Application of above processes in mechanical components such as gears, bearing, turbine blades, crankshafts, pistons, cutting tool materials also.
10. 1. Important non-ferrous alloys and soon-metallic materials in specific Engineering applications.
11. 1. Powder Metallurgy : Application and advantages, Production of powder, Compacting, Sintering, Equipment and process capability.
12. 1. Metal coatings, Organic coatings, Lining and cladding, Use of Corrosion inhibitors, Catholic protection against corrosion.
13. 1. Different non distractive testing such as DPT, MPT, RGT, UST, and Jiminy test.
14. 1.  

B.      PRACTICAL

      This shall consists of laboratory work pertaining to the topics listed above.

      (Note:   Reference to International Classification of Steels, Indian Standards and Engineering Handbooks should be made in the course of study wherever applicable.)

 C.  TERM WORK

    Term work shall consist of practical work done under

   Practical and to be written and submitted in the form of  report/journal.

   D.   BOOKS

1. 1.  Engineering Metallurgy and material science by  S. P. Nayak.
2. 1.  Materials and Metallurgy by G. B. S. Narang and K. Manchanedy
3. 1. Elements of  Metallurgy by Dr. Swaroop and Dr. Saxena.
4. 1. Material science and manufacturing processs by  Dharmendrakumar and S. K. Jain.
5. 1. Physical Metallurgy by Robert  Read Hill
6. 1. Metallurgy for engineers by V. Ragvan
7. 1. Metallurgy for engineers by Bava.
8. 1. Physical metallurgy by Rollason.
9. 1. Physical metallurgy by Hyegins.
10. 1. Tool steel by Rabert.
11. 1. Material Science by Annver.
12. 1. Material Science by O.P. Khanna.

P- 404 THERMAL ENGINEERING 

  A.    THEORY

1. Second Law of Thermodynamics  First law limitations,   Concept  of Reversibility , Different statements,  II law limitations.
2. Entropy  Concept  of Entropy  , clauses inequality , entropy   change,  III law of thermodynamics. 

    3.   Thermodynamics   Cycles

          Power   producing  cycles  like diesel ,   auto,  dual ,  carnot,   joule,  sterling and

           ericsson. 

4.  Reciprocating  compressor  Types,   construction  and  working of reciprocating compressor,  single stage  Compression with and without  clearance,  multi state reciprocating   air  compressor,   minimum work input  effect of  intercooling  and after  cooling,   Air compressor  terminology. 
5. Refrigerating  &  air-conditioning  Introduction &  application  of refrigeration ,  Air refrigeration system , reversed  Car not cycle , Bell Coleman  air cycle  , vapour  compression refrigeration cycle,Factor effecting  , Refrigerants – properties  & types.  Terms  in air-conditioning , Psychometric & Psychometric   processes, Application .
6. Steam & Gas turbine Principle of operation of steam turbine  ,comparison  with  steam engines , types,Simple impulse  turbines , compounding  of  impulse turbine , impulse – reaction & Pure reaction turbine ,  difference between impulse & reaction turbine. Classification of Gas turbine , Open cycle turbine , means of improving The  efficiency , closed cycle gas  turbine , advantages , Jet propulsion .
7. Heat & Mass Transfer  Mode of heat  transfer,  basics in  heat & mass transfer, laws governing heat Transfer, concept of black body, application heat transfer in  heat exchanger.

    B. TERM WORK

This shall consist of  experiments and write –up based on topics of  syllabus as  above and the  assessment   will be on continuous basis.

    C. Practical / Oral

This shall be based on term work prepared   and syllabus topics as above.

    D. Reference Books

1.         Mechanical Technology   (Thermal)            By Khurmi

2.         Elements of  Heat Engines                 By R.C. Patel.

3.         Thermal Engineering                         By A.S. Saraw.

P- 405  HYDRAULICS 

 A.  THEORY

1. PROPERTIES OF FLUID

Introduction : Fluid , liquids and gases, physical properties such as density, specific weight, viscosity, compressibility, capillarity, surface tension, vapors pressure, cavitation its ill effects and remedies, Thomas's cavitation factor.

2. FLUID STATICS

Pressure at point, center of pressure, buoyant force, met center and met centric height analytical and experimental methods Equilibrium of floating and submerged bodies.

     3  KINEMATICS OF FLUID FLOW

            Stream line, path line, stream tube, classification of fluid flow. Continuity equations   in two dimension and three dimension in Cartesian co-ordinates, velocity potential and stream function vertex flow -free and forced.

      4  DYNAMICS OF FLUID FLOW

Euler's equation of motion, bernoulli's equation and it's application Venturimeter, plot tube, orifice etc, Momentum equation and moment of momentum equation.

      5  VISCOUS FLOW

Reynolds number and Reynolds experiment, flow  of viscous fluid through circular pipe, Flow of viscous fluid between two parallel fixed plates -HAGEN -POISEVILLE LAW, Flow of viscous fluid between two parallel plates having relative motion COUTESS LAW, Petroff equation for journal bearing, power absorbed in viscous flow through - journal ,Foot step and Collar bearing , Movement of piston in dash pot, Methods of Measurement of viscosity.

      6 COMPRESSIBLE FLUID FLOW

Thermodynamic concept, speed of sound wave , Mach number, mach cone and Mach angle, flow with friction through pipes, adiabatic and isothermal flow jet propultion flow through variable area. Flow through nozzles. Back pressure variation.

      7 DIMENSIONAL ANALYSIS

fundamental dimensions, dimensional homogeneity, Rayleigh's method and Buckinghams theorom for dimensionsal analysis, dimensionless force ratios, hydraulic similitudes, models testing.

       8 TURBULENT FLOW

Characteristics  of diff. types of flow, expression for coefficient of friction -DARCHY WEICHBACK EQUATION, moody diagram resistance of smooth and rough pipes shear stress and velocity distribution in turbulent flow through pipes.  

1.       B. PRACTICAL
2.               This must be based on experimental work on the topics listed   above.

      C. TERM WORK

This shall be based on experimental work on the topics listed   above.

       D. REFERENCE BOOKS

            1.Fluid Mechanics and Hyd. M/c by Sheth & Modi.

            2 Fluid  power Engineering  by Dr. D.S. Kumer

            3.Fluid  mech. & Hyd. M/c by r.K. bansal.

            4.Fluid Mechanics by K.L. Kumar.

LIST OF EXPERIMENT

1. To study of diff. Types of fluid property.

2. To study of hydraulic bench.

3. To verify Bernoulli’s theorem.

4. To study of venturimeter and to determine the co-effi. Of discharge of a given venturimeter.

5. To determine the Meta-centric height of floating body.

6. To study about different type of fluids. 

7. To study of water hammer.

8. To study of measurement of co-efficient of friction through pipe.

9. To study Reynold apparatus and to obtain the Reynolds number in diff. Flow condition.

10. To study of dimensional analysis / Model analysis.

11. To study of determination of viscosity by red wood viscometer.

12. Tutorials.