JNTU
JNTU B.Tech IV LAUNCH VEHICLE AND MISSILE TECHNOLOGY Previous Question Paper (July - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
Part A
Define Mission Profile.
Answer
A Mission Profile is a chronological description of all events, phases, and maneuvers that a launch vehicle or missile must undergo from the moment of ignition or launch until the completion of its objective, including flight trajectory, staging, and payload deployment.
Write about various roles of missile.
Answer
Missiles serve several strategic and tactical roles, primarily: 1) Offensive strike to neutralize enemy targets such as infrastructure, command centers, or military assets; 2) Defense against incoming aerial or missile threats (interception); and 3) Deterrence, where the capability to deliver a payload acts as a strategic threat to discourage adversary aggression.
What is meant by propellant grain?
Answer
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Mention types of nozzles used for rockets and missiles.
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What are the different types of missiles?
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Write a short note on drag estimation of missiles.
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Write Tsiolkovsky rocket equation.
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What is Thrust termination?
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What are the tests made for rocket before it is in operational use.
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What is micrometeorology?
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Part B
Explain the effect of propulsion systems on vehicle performance and measurements.
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Discuss briefly about similarities and differences in design, construction, operation of rockets and missiles.
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Explain about Liners, insulators and inhibitors- function, requirements in solid propellants.
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Describe a typical liquid propellant engine with a sketch. Identify parts and their functions.
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Write briefly about airframe components of rockets and missiles with neat sketches.
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What is rocket dispersion and explain the design considerations of re-entry vehicles.
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Discuss briefly about Earth launch trajectories- vertical segment, the gravity turn, constant pitch trajectory, orbital injection.
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What is Thrust vector control and explain the techniques to control thrust with neat sketches?
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Write a short note on how computers are used in data handling of rocket testing.
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Explain typical personnel and plant security or safety provisions in a modern test facility.
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