Exam Details

Subject Engineering Materials
Paper
Exam / Course Diploma in Mechanical Engineering
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date June, 2016
City, State new delhi,


Question Paper

No. of Printed Pages: 2 IBME-050I
DIPLOMA IN MECHANICAL ENGINEERING (DME)IDMEVI
Term-End Examination
June, 2016

OUb..:SU
BME-050 ENGINEERING MATERIALS
Time hours Maximum Marks: 70
Note: Question number 1 is compulsory. Attempt any four questions out of the remaining questions numbered 2 to 6. Use of calculator is permitted.

1. Define any seven of the following: 7x2=14
Ultimate strength and Fatigue strength Transformation reactions in Iron-Carbon phase diagram
Cooling rate and Quenching media Different heat treatments of Steel Contents of Cast Iron Manufacturing methods of Ceramics Polymerisation Classifications of Lubricants
Tempering

2. Distinguish between elastic and plastic deformation of a tension test specimen. Explain strain hardening.

Explain the terms of the following:
Toughness

(ii) Ductility

(iii) Brittleness 2x7=14

3. Name the different plain carbon steels and give some applications of each type.

What are the electric heating processes used in making steel? 2x7=14

4. Draw an Iron-Carbon equilibrium diagram. Explain it briefly.

Define thermal-conductivity and piezo-electricity. Give units of its thermal-conductivity and explain its mechanism. 2x7=14

5. Distinguish between Austempering and Martempering.

Describe the different types of adhesives and their properties. 2x7=14

6. Define the term lubricant. Describe the functions of lubricants.

What are different chemical cleaning processes? Explain in brief. 2x7=14


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

  • Applied Thermal Engineering
  • Automobile Engineering
  • Basics of Thermal Energy
  • CAD / CAM
  • CNC Machanics
  • Computer Integrated Manufacturing
  • Engineering Materials
  • Machine Design
  • Manufacturing Processes-I
  • Manufacturing Processes-II
  • Manufacturing Processes-III
  • Metrology and Instrumentation
  • Power Plant Engineering
  • Theory of Machine