Download GTU BE/B.Tech 2017 Winter 8th Sem Old 180101 Aircraft Design Ii Question Paper

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Subject Code: 180101
Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER - VIII - EXAMINATION — WINTER - 2017
Subject Name: Aircraft Design-11

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Time: 02:30 pm to 05:00 pm
Date: 07-11-2017
Total Marks: 70
Instructions:
1. Attempt all questions.

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

Q-1

1. Draw a circle to square adaptor joining a circular cross section of 10 cm and 10 cm X 10 cm. [07]
2. Design a cockpit for a single pilot fighter plane. [07]

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3. Prepare wing layout of a wing carrying 100000 pounds of weight with speed of 0.8 Mach. Take suitable aspect and taper ratio. [07]

Q-2

1. Shortly explain Preliminary design and detailed design. [07]
   OR
   Shortly explain aircraft configurations with neat sketches.
2. Differentiate between fixed and rubber engine sizing. [07]

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3. With neat sketch explain how circle to square adaptors are used to model fuselage cross sections. [07]
   OR
   How will you verify either all formers are properly modeled or not?

Q-4

1. Shortly explain aircraft layout procedure with example and neat sketches. [07]
2. Explain structural consideration of a conventional semimonocoque fuselage. [07]

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3. How will you design a fuselage carrying 80 passengers on board? [07]
   OR
   Which considerations will you take to design hydraulics of aircrafts?

Q-5

1. Discuss consideration to locate guns and hard points on airframes. [07]
2. With neat sketch explain design of oleo type shock absorber of aircraft under carriage. [07]

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3. Explain possible retraction geometry of main under carriage. [07]
   OR
   Discuss various jet VTOL configurations.
4. Discuss various Prop VTOL configurations. [07]

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