GTU BE 2020 Summer Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III EXAMINATION - SUMMER 2020
Subject Code: 3130108 Date:28/10/2020
Subject Name: Fundamentals of Aeronautical Engineering
Time: 02:30 PM TO 05:00 PM Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Marks | |
|---|---|
| Q.1 (a) Discuss 3 axis of aircraft with neat sketch. | 03 |
| (b) Explain four forces acting upon an aircrafts. | 04 |
| (c) Draw an isometric view of any fix wing aircraft and explain function of primary components like fuselage, wings, tail plane, undercarriage etc. | 07 |
| Q.2 (a) Only draw airfoil with nomenclature. | 03 |
| (b) Explain Critical mach number and Drag Divergence Mach number. | 04 |
| (c) Explain importance of sweep back wing. | 07 |
| OR | |
| (c) Define term -Subsonic, Transonic, Supersonic, Hypersonic. | 07 |
| Q.3 (a) Explain function of ribs and spar in aircraft structure. | 03 |
| (b) Differentiate between fixed and retractable landing gear. | 04 |
| (c) Explain function of all three primary control surfaces with neat sketch. | 07 |
| OR | |
| Q.3 (a) Define terms- High wing, Low wing and Mid wing aircraft. | 03 |
| (b) Differentiate between bulkhead and formers with neat sketch. | 04 |
| (c) Explain functions of longerons, skin, truss; gusset in aircraft structure with neat sketch. | 07 |
| Q.4 (a) Explain function of propeller in aircraft. | 03 |
| (b) Only define four strokes of IC engine. | 04 |
| (c) Classify IC engines used in aircrafts with respect to arrangement of cylinders. | 07 |
| OR | |
| Q4 (a) Shortly differentiate between liquid propellants and solid propellants. | 03 |
| (b) Explain function of trim tabs of all primary control surfaces. | 04 |
| (c) Explain how gas turbine jet engine works? | 07 |
| Q.5 (a) Explain application of radio altimeter. | 03 |
| (b) Explain function of airborne weather radar. | 04 |
| (c) Differentiate between primary and secondary radar systems. | 07 |
| OR | |
| Q.5 (a) Why DME is collocated with glide slope and not with localizer. | 03 |
| (b) Explain application of VOR in air navigation. | 04 |
| (c) Draw and explain applications of localizer, glide slope, marker beacons and DME in ILS. | 07 |
B e S T
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