B.E/B.Tech DEGREE EXAMINATION, APRIL/MAY 2015 Fourth Semester Aeronautical Engineering - AIRCRAFT SYSTEMS AND INSTRUMENTS (Regulation 2013)

B.E/B.Tech DEGREE EXAMINATION, APRIL/MAY 2015  

Fourth Semester  Aeronautical Engineering 

AE 6402- AIRCRAFT SYSTEMS AND INSTRUMENTS 

 (Regulation 2013) 

PART A – (10× 2=20 marks) 

1. Write a note on retractive mechanism. 

2. Compare hydraulic and pneumatic systems. 

3. What is auto pilot system? 

4. Name some conventional airplane control systems. 

5. State the requirement of fuel system. 

6. Write a requirement of lubricating systems? 

7. What is meant by pressurizing system of an airplane? 

8. What are the basic air cycle systems? 

9. What are the various types of engine instruments? 

10.What is the purpose of tachometer in an airplane? 

PART B – (5×16 = 80 marks) 

11. (a) (1) Classify and explain landing gear systems. 

           (2) Explain brake system and shock absorbers. 

Or 

     (b) Explain the working principle and operation of hydraulic and pneumatic systems. 

12. (a) Explain in detail about power assisted and fully powered flight controls. 

Or 

      (b) Explain in detail about modern control systems and digital fly by wire systems 

13.(a) Explain in detail about the components of multi engine fuel systems of a jet engine 

Or 

     (b) Explain in detail about the starting and ignition systems of piston and jet engines with neat sketches. 

14.(a) Illustrate with neat sketches about air cycle and vapour cycle machines. 

Or 

     (b) Briefly explain the following: 

          (1) Fire protection systems 

          (2) Deicing and anti icing systems 

15.(a) Explain in detail about the principle and operation of gyroscopic instruments. 

Or 

     (b) Briefly explain the following: 

            (1) Accelerometers (2) Air speed indicators (3) Mach numbers (4) Altimeters