Exam Details
| Subject | Rocket Propulsion | |
| Paper | ||
| Exam / Course | B.Tech in Aerospace Engineering (BTAE) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2015 | |
| City, State | new delhi, |
Question Paper
1. Differentiate between any two of the following:
Double base propellant and Composite propellant
Centre of pressure and Aerodynamic centre
Ram-Jet engine and Turbo-Jet engine
2. Explain the purpose and utility of rockets. Briefly describe the different sub-systems of a rocket.
3. Is missile aerodynamics different from aircrafts' aerodynamics Discuss each parameter that differentiates the two dynamics.
4. In a jet propulsion unit, air is drawn into the rotary compressor at 15°C and 1·01 bar and delivered at 4·04 bar. The isentropic efficiency of compressor is 82% and the compression is uncooled. After delivery the air is heated at constant pressure until the temperature reaches 750°C. The air then passes through a turbine unit which drives the compressor only and has an isentropic efficiency of before passing through the nozzle and expanding to atmospheric pressure of 1.01 bar with an efficiency of 88%. Neglecting any mass increase due to the weight of the fuel and assuming that Rand y are unchanged by combustion, determine:
The power required to drive the compressor,
The thrust per kg of air per second.
5. Explain in brief the internal ballistic parameters, thrust coefficient and specific impulse.
6. Describe the working of Turbo-Jet engine. Also discuss its advantages and limitations.
7. Derive an expression for exit plane velocity for the flow through a rocket nozzle. Also explain why role of gamma is not observed on exit plane velocity.
8. Explain in brief the future trends in rockets.
9. Write short notes on any two of the following:
Guidance System of Missile
Boost Sustained Trajectory
Staging in Rockets
Double base propellant and Composite propellant
Centre of pressure and Aerodynamic centre
Ram-Jet engine and Turbo-Jet engine
2. Explain the purpose and utility of rockets. Briefly describe the different sub-systems of a rocket.
3. Is missile aerodynamics different from aircrafts' aerodynamics Discuss each parameter that differentiates the two dynamics.
4. In a jet propulsion unit, air is drawn into the rotary compressor at 15°C and 1·01 bar and delivered at 4·04 bar. The isentropic efficiency of compressor is 82% and the compression is uncooled. After delivery the air is heated at constant pressure until the temperature reaches 750°C. The air then passes through a turbine unit which drives the compressor only and has an isentropic efficiency of before passing through the nozzle and expanding to atmospheric pressure of 1.01 bar with an efficiency of 88%. Neglecting any mass increase due to the weight of the fuel and assuming that Rand y are unchanged by combustion, determine:
The power required to drive the compressor,
The thrust per kg of air per second.
5. Explain in brief the internal ballistic parameters, thrust coefficient and specific impulse.
6. Describe the working of Turbo-Jet engine. Also discuss its advantages and limitations.
7. Derive an expression for exit plane velocity for the flow through a rocket nozzle. Also explain why role of gamma is not observed on exit plane velocity.
8. Explain in brief the future trends in rockets.
9. Write short notes on any two of the following:
Guidance System of Missile
Boost Sustained Trajectory
Staging in Rockets
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
- Aerodynamics- I
- Aerodynamics- II
- Aircraft Design/Launch Vehicle/ Rocket Design
- Aircraft Instruments
- Aircraft Safety and Maintenance Engineering
- Aircraft Structures
- Aircraft Systems And Airworthiness Requirements
- Applied Chemistry
- Applied Physics
- Basic Control Theory
- CNS-ATM system
- Composite Materials
- Computer Fundamentals
- Engineering Drawing
- Environmental Science
- Flight Mechanics
- High Speed Aerodynamics
- Instruction To Computer Play Device
- Introduction to Aeronautics
- Introduction To Rocket And Missiles
- Mechanics Design
- Propulsion- I
- Propulsion- II
- Rocket Propulsion
- Space Dynamics
- Strength of Materials
- Technical Writing and Communication Skills
- Workshop Technology