Exam Details

Subject Energy Conversion
Paper
Exam / Course Bachelor of Technology in Mechanical Engineering (Computer Integrated Manufacturing) BTME
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2016
City, State new delhi,


Question Paper

No. of Printed Pages: 3 IBME-031 I
B.Tech. MECHANICAL ENGINEERING (COMPUTER INTEGRATED
MANUFACTURING)
OU93...s
Term-End Examination
December, 2016

BME-031 ENERGY CONVERSION
Time Iwurs Maximum Marks: 70
Note: Answer any seven questions. All questions carry equal marks. Use of scientific calculator tS permitted. Assume missing data, if any.

1. Discuss energy and its conversion. 5

A device has a conversion efficiency of 91% and a power input of 120 MW.

Calculate both the useful power output of waste power values in MW.

Draw a block diagram of the process. 5

2. Explain multistage energy conversion. 5

Define and explain the scavenging process of 2-stroke engines. Also explain the working process of a 2-stroke SI engine. 5

3. Explain photoelectric energy conversion. 5

What is calorific value? Explain GCV and NCV. Why is the calorific value of a fuel important? 5

4. Give the chemical reactions of combustion process, when C7H18 is combusted. 4

Explain the following: 6

Fuel-air ratio

Overleaning and Overriching

Stoichiometric ratio

5. Explain solar power plant with a schematic diagram to generate electrical energy. 5

Explain wind power plant with a neat sketch. 5

6. With a neat sketch, explain Biomass gasification system. 5

Explain the relative advantages and limitations of an open cycle gas turbine over a closed cycle gas turbine. 5

7. What is a steam nozzle How are steam nozzles classified? 5

What are the advantages of using steam condenser? 5

8. Explain parallel flow jet condenser. 5

Explain evaporative condenser with a neat sketch. 5

9. Explain regeneration and reheat processes for a power plant using steam turbine. 5

Explain fluidised bed boilers. 5

10. Air enters the compressor of a gas turbine plant operating on Brayton cycle at 1 bar, 27°C. The pressure ratio in the cycle is 6. If Wt 2.5 Wc, where Wt and Wc are the turbine and compressor work respectively,
calculate the maximum temperature and the cycle efficiency. 7

Describe the working of a simple constant pressure open cycle gas turbine. 3


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 Manufacturing Technology
  • CNC Technology
  • Computer Aided Design
  • Computer Integrated Manufacturing
  • Computer Programmingand Application
  • ComputerAided Process Planning
  • Condition Monitoringand Maintenance Engineering
  • Energy Conversion
  • Engineering Materials
  • Engineering Mathematics Il
  • Engineering Mathematics-I
  • Engineering Mechanics
  • Engineering Thermodynamics
  • Fluid Mechanics
  • Heat And Mass Transfer
  • Industrial Engineering & Operations Research
  • Kinematics & Dynamics of Mechanisms
  • Machining Technology
  • Manufacturing Systems, Integration and Control
  • Manufacturing Technology
  • Mechanical Engineering Design
  • Mechatronics
  • Metrology and Instrumentation
  • Principles of Electrical and Electronic Sciences
  • Production Management
  • Quality Engineering
  • Robotics
  • Safety Engineering
  • Soft Computing in CIM
  • Strength of Materials
  • Tool Engineering and Management