Download GTU B.Tech 2020 Winter 7th Sem 2170104 Rocket And Missile Technology Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020

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Subject Code:2170104

Subject Name:Rocket & Missile Technology

Time:10:30 AM TO 12:30 PM

Instructions:

1. Attempt any FOUR questions out of EIGHT questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. Q.1
   1. (a) What is the purpose of propellant inventory? [03]
   2. (b) Explain different classes of missiles. [04]
   3. (c) What is the purpose of propellant loading tolerance? Explain its major consideration. [07]

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2. Q.2
   1. (a) What is wing control and tail control? [03]
   2. (b) Enumerate total tank volume and ullage requirements. [04]
   3. (c) Explain non-usable and usable propellant. [07]

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3. Q.3
   1. (a) Construct a liquid propellant subsystem with its nomenclature. [03]
   2. (b) Classify jet control types and its function. [04]
   3. (c) What is the mass loading concept? Explain in terms of change in outage for fuel and oxidizer variation. [07]
4. Q.4
   1. (a) What is random loading effects in propellant inventory? [03]

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   2. (b) Classify nose flap control and dorsal. [04]
   3. (c) What is the volume loading concept? Explain in terms of change in outage for fuel and oxidizer variation. [07]
5. Q.5
   1. (a) Explain maneuvering flights for pull ups. [03]
   2. (b) Explain flow over wedge-and cone forebody. [04]

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   3. (c) Illustrate solid propellant motor system with its advantages. [07]
6. Q.6
   1. (a) What is optimum bias? Explain with oxidizer and fuel outage slope. [03]
   2. (b) Explain typical supersonic wing planform. [04]
   3. (c) Illustrate liquid propellant motor system with its advantages. [07]

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7. Q.7
   1. (a) Explain typical supersonic airfoil section. [03]
   2. (b) List missile performance parameters. Explain any four. [04]
   3. (c) Derive the magnitude of the velocity of propagation of pressure pulse line for valve closure. [07]

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8. Q.8
   1. (a) Explain long range cruise trajectory. [03]
   2. (b) Explain boost glide trajectory with graphical solution. [04]
   3. (c) Explain feed line for valve opening with different parameters velocity, pressure, area and discharge coefficient through the fully opened valve. [07]

Date:30/01/2021

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Total Marks: 56