Envlmnt No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER- III (New) EXAMINATION — WINTER 2019
Subject Code: 3130108 Date: 28/11/2019
Subject Name: Fundamentals of Aeronautical Engineering
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Marks
Q.1 (a) Explain function behind trim tabs. 03
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(b) What is drag divergence mach number? Explain with the help of 04 Diagram.
(c) Explain in details three axis and four forces of an aircraft. 07
Q.2 (a) What is airfoil? Explain different application of it. 03
(b) Explain function of Integrated control surfaces-Flaperon, 04 Ruddervetor, Elevons, Tailerons.
(c) With the neat sketch, explain how lift is generated by wings of 07 aircraft?
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OR
(c) Explain Principal of generation of lift for cambered airfoil. 07
Q.3 (a) Draw a neat sketch of wing structure with nomenclature. 03
(b) Explain the reason of pressurizing of fuselage. 04
(c) Explain application and Function of VHE-Omni-directional range. 07
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OR
Q.3 (a) Explain the application of ADF. 03
(b) Write a difference between bulkhead and former with neat sketch. 04
(c) Draw and explain construction of Former, Skin, Longeron, 07 Stiffener/Stringers, Bulkheads and Ribs.
Q.4 (a) Explain Function of Spoilers. 03
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(b) Explain Classification of Propulsion system with the flow diagram. 04
(c) Explain turbojet Engine with neat sketch. 07
OR
Q.4 (a) Explain the application of DME. 03
(b) What is Pressure co-efficient? Explain Briefly. 04
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(c) Explain turbofan engine with neat sketch. 07
Q.5 (a) Write difference between turbo-engines and piston engines. 03
(b) What are the difference between VOR and VORTAC. 04
(c) Explain Principal types of aircraft construction methods with the 07 help of neat sketch.
OR
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Q.5 (a) Draw Junction of longeron, truss and gusset. 03
(b) What are the difference between ILS and MLS. 04
(c) Explain the function of Glide scope, Localizer and Marker beacon. 07 How it will useful for landing of aircraft?
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