Mechanical Engineering Important Questions

Mechanical Engineering Important Questions

Anna University , Chennai

Department of Mechanical Engineering

R2013 Syllabus Regulation

(I - IV Year Syllabus)

1st Semester :
HS6151 Technical English – I
MA6151 Mathematics – I
PH6151 Engineering Physics – I
CY6151 Engineering Chemistry – I
GE6151 Computer Programming
GE6152 Engineering Graphics

PRACTICALS
GE6161 Computer Practices Laboratory
GE6162 Engineering Practices Laboratory
GE6163 Physics and Chemistry Laboratory - I

2nd Semester :
HS6251 Technical English – II
MA6251 Mathematics – II
PH6251 Engineering Physics – II
CY6251 Engineering Chemistry – II
GE6252 Basic Electrical and Electronics Engineer
GE6253 Engineering Mechanics 

PRACTICALS
GE6261 Computer Aided Drafting and Modeling Laboratory
GE6262 Physics and Chemistry Laboratory - II

3rd Semester :
MA6351 Transforms and Partial Differential Equations
CE6306 Strength of Materials
ME6301 Engineering Thermodynamics
CE6451 Fluid Mechanics and Machinery
ME6302 Manufacturing Technology - I
EE6351 Electrical Drives and Controls

PRACTICAL
ME6311 Manufacturing Technology Laboratory - I
CE6461 Fluid Mechanics and  Machinery Laboratory
EE6365 Electrical Engineering Laboratory


4th Semester :
MA6452 Statistics and  Numerical Methods

ME6401 Kinematics of Machinery

1.       List down the laws of friction
2.       Define angle of dwell and tangent cam.
3.       Differentiate mechanism and structure
4.       What is meant by law of gearing
5.       Classify constrained motion
6.       What are methods of avoid interference?
7.       Define velocity ratio/gear ratio.
8.       Define anti friction bearing.
9.       State grashof’s law (condition for obtain four bar chain). State kennadys theorem
10.   What is meant by instantaneous centre. Equation for determine number of instantaneous centre.
11.   Define rubbing velocity at a pin point.
12.   What is coriolis component of acceleration. Explain its contion.
13.   Classify types of cam,follower and motion.
14.   What is meant by undercutting in cams.
15.   What is the condition for self locking in screws.
16.   Gear profile terms (14)
17.   What is meant by epicyclic,reverterd, idler gear trains.
18.   What are the types of belt drives and its advantages.
19.   What is the maximum efficiency of screw. Condition. Equation. Problem.
20.   State low degree of complexity.

ME6402 Manufacturing Technology– II
ME6403 Engineering Materials and Metallurgy

GE6351 Environmental Science and Engineering

1. what is meant by smog?
2. what is meant by PAN?
3. what are the types of conservation of biodiversity?
4. what is meant by sustainable development?
5. what is meant by nuclear accident/holocaust?
6. what is meant by green house effect/ global warming?
7. what is importance of risk and hazard?
8. what are the types of ecological cycle?
9. what is meant by resettlement and rehabiliation?
10. what is meant by water logging?
11. what are the water quality parameters?
12. what is meant by EIA?
13. what are the different types of natural disaster?
14. what is meant by hotspots? what are hotspots in india?
15. what is meant by ecological succesion?
16. what is meant by acid rain?
17. what is meant by ozone layer depletion?
18. what is meant by waste land reclamation?
19. what is meant by exploitation of minerals?
20. what is meant by soil pollution?

13 marks

1) explain the role of IT on environment protection and health.

2) write short notes on 

    i) women and child welfare

   ii) population explosion and its effects

3) i) explain the process of solid waste management

    ii) explain various control devices of air pollution.

4) what is meant by biodiversity? explain its values and threats to biodiversity.

5) explain different types of energy resources.

6) explain the structure and function of any one of ecosystem (forest,grassland,desert,aquatic)

7) explain the various act related to environment.(forest, water, air, wildlife)

8) explain the following water conservation techniques

    i) rainwater harvesting

   ii) watershed management

9) write short notes on 

   i) deforestation

   ii) problems involved in constructing the big dams

10) write short notes on 

   i)noise pollution

   ii) thermal pollution

  iii) marine pollution

  iv) nuclear hazard

ME6404 Thermal Engineering 

2marks

1. define air standard efficiency and mean effective pressure
2. Draw the Valve and Port timing diagram
3. functions of Carburetor.
4. draw the diagram of battery and magneto ignition system.
5. what is knocking
6. what is meant by critical pressure ratio.
7. different methods of compounding/purpose of compounding.
8. difference between impulse and reaction turbine
9. phenomenon of super saturated expansion
10. define nozzle efficiency
11. effect of friction of flow through nozzle.
12. draw PV & TS diagram of gas power cycles.
13. advantages of multistage compressor.
14. define volumetric and isothermal efficiency of air compressor.
15. define free air delivery (FAD).
16. define 1 ton of refridgeration.
17. what is meant by COP.
18. properties of good refridgerent.
19. define the following. RSHF, FSHF, BPF, ESHF
20. purpose of governing/ types of governing

13 marks.

1. diesel cycle and dual cycle problem (unit 1)
2. IC engine components/ 2 stroke vs 4 stroke engine/ SI vs CI engine
3. lubrication systems/fuel injector types
4. heat balance sheet problem
5. nozzle (problem)
6. turbine (problem)
7. compressor problem (with clearance and without clearance)
8. volumetric efficiency (derivation)
9. vapour abosorbtion and vapour compression system (theory)
10. psychometric problem

PRACTICAL
ME6411 Manufacturing Technology Laboratory–II
ME6412 Thermal Engineering Laboratory - I
CE6315 Strength of Materials Laboratory

5th Semester :
ME6501 Computer Aided Design
ME6502 Heat and Mass Transfer
ME6503 Design of Machine Elements

ME6504 Metrology and Measurements

1. define readability and repeatability.
2. define reliability and reproducability
3. what are the elements of metrology.
4. explain the different types of standards.
5. what are the various types of linear measuring instruments?
6. mention any four angular measuring instruments?
7. what do you meant by limit gauges?
8. write short notes on bevel protracter.
9. mention the advantages using laser in metrology.
10. what are the applications of CMM.
11. define machine vision.
12. mention the devices used for measuring roundness.
13. what is meant by best wire size in thread measurement?
14. what are the various methods used for measuring gear tooth thickness.
15. give the principle of hot wire anemometer.
16. what is meant by load cells?
17. list any mehtods employed in measuring torque.
18. explain the working principle of bimetalic strip.
19. write short notes on rotameter.
20. write short notes on sensitivity.

13 marks

1. describe the types of errors and its causes.
2. i) give the structure of the generalised measurement system. ii) with suitable example differentiate precision and accuracy
3. i) explain the working principle of angle dekkor with neat sketch. also write the applications.ii) explain the construction and working of an autocollimator with neat sketch.
4. what is meant by comparator? explain the different types of comparator and its applications.ii)write short notes on  i) limit gauges ii)interchangability
5. explain the construction and working of different CMM and its applications.
6. i) with the neat sketch explain the construction of laser interferrometer. ii)write short notes on machine vision system.
7. i)expalin the various types of thread measurement techniques. ii) explain the following tooth thickness measurement a) constant chord method b) base tangent method
8. explain the construction and working of i) tomlinson surface meter ii) profilometer iii)tool maker microscope.
9. discuss about the any two type of temperature measurement.
10. discuss the any two type of power measurement.

ME6505 Dynamics of Machines

GE6075 Professional Ethics in Engineering 

1.  what  is meant by moral leadership?
2. what is meant by code of conduct?
3. what is meant by corporate responsibility?
4. what is meant by occupational crime?
5. what is collective bargaining?
6. what is IPR?
7. what is meant by safe exit?
8. define: safety,risk and disaster
9. give the limitation of codes
10. what is meant by informed consent?
11. what are the senses of engineering ethics?
12. define moral autonomy and moral dilema.
13. define: moral, value and ethics
14. what is service learning?
15. define: work ethics.
16. what is integrity?
17. define empathy and sprituality.
18. what do you understand by balanced outlook of a law?
19. what is meant by whistle blowing?
20. state the significance of self interest.

13 marks

1. discuss the following in detail.
2. discuss the following in detail.
3. i)what are the main elements of IPR.give example of discrimination. ii) define risk benefit analysis.state the necessity of this.
4. i)write short notes on occupational crime. ii) distinguish between employee rights  and professional rights.
5. explain in detail about engineers as responsible experiments.
6. i) compare and contrast engineering experiment with standard experiment. ii) explain in detail about a ) balanced outlook of an law b) engineeing as experimentation
7. discuss in detail about i) gilligons theory ii) kohlbergs theory
8. discuss in details the various theories about right action
9. explain the role of yoga and meditation in the field of professional excellence and stress management.
10. write short notes on i) civic virtue ii) caring and sharing iii) character and spirituallity iv) self confidence.

PRACTICAL
ME6511 Dynamics Laboratory
ME6512 Thermal Engineering Laboratory-II
ME6513 Metrology and Measurements Laboratory

6th Semester :
ME6601 Design of Transmission Systems
MG6851 Principles of Management
ME6602 Automobile Engineering
ME6603 Finite Element Analysis

FEA

2marks

 
1.       Define CST, LST and QST element. And its properties.
2.       What is meant by node or joint.
3.       Define streamline, dynamic analysis, shape function.
4.       Differentiate  global coordinates, natural coordinates and local coordinates.
5.       What is meant by transverse vibration.
6.       Define stream function for one dimensional and two dimensional incompressible flow.
7.       What is meant by stiffness matrix. List out the properties.
8.       What is meant by Rayleigh ritz method. Mention the steps involved.
9.       What is meant by axisymmetric element (problem). Mention the applications.
10.   What is meant by higher order elements state its advantages.
11.   What is constitutive law.
12.   What do you meant by isoparametric formulation.
13.   Define shape function.
14.   Why polynomial type of interpolation problems are preferred?
15.   What is meant by shell element and its types and advantages.
16.   Differentiate plane stress and plane strain analysis.

ME6604 Gas Dynamics and Jet Propulsion

2 marks

1. difference between compressible and incompressible fluid flow?
2. define stagnation state, stagnation pressure and stagnation temperature.
3. what are the different regions of compressible flow?
4. what is meant by mach number? explain its uses.
5. define zone of action and zone of silence with neat sketch.
6. differentiate nozzle and diffuser.
7. define rayleigh flow and fanno flow.
8. sketch rayleigh line and fanno line.
9. give two practical examples for rayleigh flow and fanno flow.
10. give assumptions made for rayleigh flow and fanno flow.
11. differentiate normal and oblique shock wave.
12. what are the applications of shock wave
13. what are assumptions of shock wave?
14. what are the assumptions made in oblique shock.
15. draw the normal shock hs diagram and rayleigh curve and fanno curve.
16. shock waves cannot produced in subsonic flow.why?
17. difference between ramjet and turbojet.
18. difference between ramjet and pulsejet.
19. difference between turbo prop and turbofan.
20. what is meant by thrust augumentation.what are the benefits.
21. compare solid and liquid propellant.
22. define rocket engines.and classify (types of rocket engines)
23. define monopropellant and bi propellant and hyperbolic propellant.
24. what are the benefits and adverse effects of shock wave.
25. what is afterburning in turbojet engine.
26. what is meant by chocked flow.
27. define propulsive efficiency.
28. define the strength of shock wave.
29. write down rankine hugonoit equation.
30. difference between rocket and jet propulsion.

13 mark (theory questions)

1. expalin the construction and working of
1. ramjet engine
2. turbojet engine
2. explain the construction and working of 
1. turbo propellar engine
2. turbo fan engine
3. explain the follwing in detail (diagram,properties,working)
1. liquid propellant
2. solid propellant
3. hybrid propellant
4. explain the rocket turbo pump feed system,ignition system and combustion system.
5. explain the various types of rocket engines (nuclear, electrical(plasma arc,ion rocket, magnet plasma),solar).
6. derive
1. prandtl meyar equation
2. po-p1/1/2pc2=1+m2/4+m2/40+....

problem

1. unit 1
1. compressible flow
1. sonic velocity
2. constant duct
3. flight altitude
4. boening
2. nozzle and diffuser
1. without throat
2. throat properties
3. power developed
4. force exerted
2. unit 2
1. rayleigh flow (4 problems)
2. fanno flow (4 problems)
3. unit 2
1. normal shock
1. upstream velocity
2. c-d nozzle (2 problems)
3. subsonic diffuser
2. oblique shock (4 problems)
4. unit 4
1. thrust (3 problems)
2. efficiency (1 problem)
5. unit 5
1. thrust (3 problems)
2. space (1 problems)

Elective - I  Unconventional Machining Process

PRACTICAL
ME6611 C.A.D. / C.A.M. Laboratory
ME6612 Design and Fabrication Project
GE6563 Communication Skills - Laboratory Based

7th Semester :

ME6701 Power Plant Engineering 

2 marks

1. 
   

13 marks

1. Explain the construction and layout of thermal power plant with neat sketch.
2. explain the construction and layout of diesel power plant with neat sketch.
3. explain the construction and layout of nuclear power plant with neat sketch/ types of nuclear reactor.
4. explain the construction and layout of hydro electric power plant with neat sketch.
5. i) explain the various nuclear disposal methods used in nuclear power plant. ii) power rating (problem)
6. i) coal and ash handling system ii) types of fluidized bed combustion
7. i) how to improve the efficiency of gas turbine power plant ii) cogeneration plant
8. i) tidal energy ii) ocean thermal energy
9. safety measures in nucleat power plants.
10. i) fuel cell ii) geo thermal energy 

ME6702 Mechatronics 

2 marks

1. define mechatronics with graphical representation.
2. what is meant selection of sensor.
3. differentiate microprocessor and microcontroller.
4. what is meant by plc.
5. compare traditional design with mectronics design.
6. what is meant by hall effect sensor.
7. what is meant by eddy current sensor.
8. what are the elements of mechatronic system.
9. what is the need for mechatronics?
10. what are the emerging areas of mechatronics
11. what are the five types of instruction set?
12. what is meant by jump control.
13. what is meant by internal relay?
14. what is meant by shift register.
15. what is meant by key debouncing.
16. what is meant by keyboard interfacing?
17. types of mechatronic system.
18. Pin configuration of 8085.
19. what are the types of addressing modes.
20. functions of accumulator.
21. what is meant by mnemonics?
22. what are the types of data handling.
23. what is meant by latching.
24. what are the various types of flag.
25. block diagram of ADC and DAC circuit.

13 marks

1. a) explain the static and dynamic characteristic of sensor. b) write short notes on follwing i) displacement senor ii) temperature sensor ii) light sensor
2. explain the architecture of microprocessor 8085 with neat sketch.
3. explain the architecture of  microcotroller 8051 with neat sketch.
4. explain the operating modes of 8255 PPI.
5. explain the architecture/block diagram of PLC.
6. Case studies
1. engine management system
2. automatic car park barrier sytem
3. pick and place robot

7. write short notes on 
     i) timer
 ii) counter
iii) internal relay
iv) mnemonics
8. case studies
 i) stepper motor control interface
ii) traffic control interface
9. explain the construction and working of 
 i) stepper motor
 ii)  servo motor

ME6703 Computer Integrated Manufacturing 

Systems

2 marks

1. differentiate CAD and CAM
2. what are the levels of automation
3.what is meant by JIT?
4. what is meant by lean manufacturing
5. what are the types of production
6. what is meant by process planning
7. what is meant by capacity planning
8.what is meant by group technology
9. what is meant by composite part concept.
10 what are the types of coding system.
11. what are stages in the production flow analysis
12. what is meant by part family.
13. outline pitch, yaw and roll with neat sketch.
14.define FMS.
15.List out the types of material handling equipment.
16.list out the types of flexibility.
17. list out the methods of robot programming.
18.define MRP II.
19. what is meant by ERP.
20.what is meant by robot repeatability and accuracy.
21. what is meant by cellular manufacturing.
22. what are the applications of AGV.
23. what are the applications of industrial robot.
24. what is meant by aggregate production planning?
25. what is meant by master production schedule.

16 marks
1. Explain the following in detail.
 i) computer aided design
ii) Computer aided Manufacturing
2. i) what are the computerised elements of CIM?
ii)What are the basic elements of automated system.
3. what is meant by CAPP. explain its types.
4. Explain the following in detail.
 i) material Requirement Planning
ii) Shop Floor Control
5. Explain the following coding system.
i) D class ii) MI class iii) optiz coding system
6. Explain the different types of machine cell layout.
7. what is meant by FMS. components of FMS.explain its types.
8.what is meant by AGV. types of AGV. path guidance technology.
9 a) robot configuration
   b) sensor and end effector used in robot
10) a ) robot programming languages
b) robot repeatability and accuracy

GE6757 Total Quality Management

Elective – II PPCE

Elective – III Maintenance Engineering 

PRACTICAL
ME6711 Simulation and Analysis Laboratory
ME6712 Mechatronics Laboratory
ME6713 Comprehension


8th Semester :
MG6863 Engineering Economics

Elective – IV Advanced IC engines

2 marks.

1. List down the air fuel ratio requirements.
2. what is meant by pre igntion.
3. what are the different air fuel ratio and its significance.
4. what are the factors that influence flame speed.
5. what is meant by ignation lag.
6. differentiate direct and indirect injection (DI And IDI)
7. what is meant by octane and cetane number. explain its significance.
8. diffentiate spark knock and diesel knock.
9. explain the types of turbocharge.what is the use of turbocharger.
10. what is meant by induction swirl. explain its advantages.
11. what is the principle of Flame ionization detector (FID).
12. differentiate smoke and particulate emission.
13. differentiate 3 way and 2 way catalytic converter.
14. can alcohol be used in CI engines.
15. define charge stratification.
16.  what is meant by charge amplifier. what is use of it.
17. advantages. disadvantages, properties, engine modifications for alternative fuels (hydrogen, LPG,CNG, alcohol, biodiesel)
18. principle and operation of a stratified charge engine?
19. 
    

13 marks

1)i)explain the various stages of combustion in SI engine with P-θ diagram

   ii) Explain the various types of combustion chambers in SI engines.

2) i) explain with neat sketch , various types of multipoint fuel injection systems used in SI engines.

  ii) explain the various factor affecting knocking (phenomenon of knocking, normal and abnormal combustion).

3) i)explain the various stages of combustion in CI engine with P-θ diagram

   ii) Explain the various types of combustion chambers in CI engines.

4) i) with the neat sketch explain the constrction and working of turbo charger.

   ii) explain the various factors affection fuel spray penetration. (fuel spray techniques)

5) i)discuss briefly the HC, CO and NO pollutant formation mechanismin a SI engine.

   ii) explain the following emission controlling devices with neat sketch

        1. three way catalytic converter

        2. exhaust gas recirculator

6) i) what are the various types of instruments used for measurement of emission from IC engines.

   ii) write short notes on 1) measurement of smoke 2)particulate emission

7) i) explain the performance,combustion, emission properties of hydrogen fuel.

   ii) explain the performance,combustion, emission properties of alchohol and CNG.

8) i)explain the performance,combustion, emission properties of biodiesel and LPG fuel.

   ii) explain in detail the engine modification of alternative fuel.

9) Explain the following in detail.

    1) HCCI

     2) CRDI

10) explain the following in detail.

      1)  Variable Geometry Turbocharger. VGT

      2) hybrid electric vechicle

Elective – V Production Planning and Control

1.       Differentiate MRPII and ERP. What are some ERP packages?
2.       Define JIT and EOQ.
3.       Define work study and method study and its objectives.
4.       What is meant by break even analysis and BEP. Write its significance.
5.       Define process  planning and production planning
6.       Define kanban system  and its types / two bin system
7.       What is meant by production control/objectives/need/functions/benefits.
8.       What is meant by work measurement. What are the tools/ techniques used for time measurement.
9.       What is meant by gnatt chart and ABC analysis .
10.   Classify the types of production systems.
11.   What is meant scheduling and its objectives.
12.   What is meant by product sequencing and priority rules.
13.   What is meant by MPS and LOB.
14.   Define inventory and inventory control and its types./ objectives of inventory control
15.   What are the inventory costs.
16.   Steps involved in method study and time study.
17.   Define stadartization and specialization
18.   What are the elements of JIT.

13 marks

(first 5 questions are most important)

1. what are the objectives benefits and functions of production planning and control.

2. i) explain the basic procedure for method study/work study.

    ii)explain the various techniques used for work measurement (time study,production study, work sampling).

3. i)explain various steps involved in process  planning.

    ii) discuss value analysis and value engineering.

4. i) Master production schedule 

    ii) material requirement planning.

5. explain the following in detail

   i) ABC analysis

   ii) JIT

   ii)ERP

         iv) CIMS

6. i. various aspects of product development and design

    ii. explain the economics of design.

7. write short notes on 

    i. micromotion study

  ii. memo motion study

 ii.  production study

8. i. explain the analysis and process capabilities of multi product system.

  

9.  problem on loading / theory

10. problem on ABC analysis / theory

PRACTICAL

ME6811 Project Work