Exam Details
| Subject | Tribology | |
| Paper | ||
| Exam / Course | Diploma in Mechanical Engineering (DMEVI)& B.Tech. MECHANICAL ENGINEERING 1-4 (BTMEVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | ||
| City, State | new delhi, |
Question Paper
Describe the term 'Tribology' with the help of suitable examples. State its significance with respect to economical, scientific and multidisciplinary aspects.
What is the role of surface films and interface debris in sliding friction .Explain.
State and explain· the laws of rolling friction. Compare rolling friction and sliding friction.
Enumerate the importance engineering applications. quantitative laws of wear. of wear in Explain the
Briefly explain the physico-mechanical properties of surface layer.
Discuss the effects of surface roughness on wear. Differentiate between waviness and roughness.
Describe various methods used to reduce the wear.
What are the requirements to be fulfilled by a good lubricating oil Explain.
How do you classify the types of lubrication Explain boundary lubrication with suitable sketch. 7
What materials-would you consider for the manufacturing of bearings What-characteristics should those materials possess?
Explain the working of journal bearing with neat sketch.
Describe when and why roller bearings are preferred over ball bearings.
7. Write short notes on any four of the following:
Dry Friction
Reynold's Equation
Real and Contour Area of Contact
Erosion and Stress Corrosion
Wear of Polymer and Ceramics
Surface Contaminants
What is the role of surface films and interface debris in sliding friction .Explain.
State and explain· the laws of rolling friction. Compare rolling friction and sliding friction.
Enumerate the importance engineering applications. quantitative laws of wear. of wear in Explain the
Briefly explain the physico-mechanical properties of surface layer.
Discuss the effects of surface roughness on wear. Differentiate between waviness and roughness.
Describe various methods used to reduce the wear.
What are the requirements to be fulfilled by a good lubricating oil Explain.
How do you classify the types of lubrication Explain boundary lubrication with suitable sketch. 7
What materials-would you consider for the manufacturing of bearings What-characteristics should those materials possess?
Explain the working of journal bearing with neat sketch.
Describe when and why roller bearings are preferred over ball bearings.
7. Write short notes on any four of the following:
Dry Friction
Reynold's Equation
Real and Contour Area of Contact
Erosion and Stress Corrosion
Wear of Polymer and Ceramics
Surface Contaminants
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Advanced Dynamics Of Machine
- Automobile Engineering
- Combustion Engineering
- Computer Aided Manufacturing
- Computing Aided Design
- Design of Machine Elements
- Engineering Metallurgy
- Engineering Thermodynamics
- Experimental Stress Analysis
- Finite Element Analysis
- Fluid Mechanics
- Heat And Mass Transfer
- Heat Transfer
- I.C. Engines
- Industrial Engineering
- Industrial Ergonomics
- Industrial Measurement And Quality Control
- Industrial Organization And Management
- Kinematics and Dynamics of Machines
- Machine Design - I
- Machine Design-Ii
- Machine Drawing
- Machines Tools
- Maintenance Engineering
- Material Science
- Materials Handling
- Mechanical System Design
- Mechanical Vibration
- Mechanics Of Materials
- Mechatronics
- Metrology
- Metrology And Quality Control
- Non-Conventional Energy Resources
- Non-Destructive Testing
- Nuclear Power Engineering
- Optimisation Techniques In Engineering
- Optimization For Engineering Design
- Power Plant Engineering
- Power Transmitting Elements
- Product Development And Design
- Production And Operations Management
- Production Technology - Ii
- Production Technology-I
- Refrigeration And Air Conditioning
- Refrigeration System
- Robotics
- Safety Engineering
- Technical Entrepreneurship
- Thermal Engineering
- Thermal Engineering - I
- Thermofluid Engineering
- Total Quality Management (Tqm)
- Tribology
- Turbo Machines
- Unconventional Manufacturing Processes
- Welding Engg.