Reg No.:

00000A.0403121902

Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Seventh Semester B.Tech Degree Examination (Regular and Supplementary), December 2020

Max. Marks: 100

1 a)
b)

2

3 a)
b)

4

5

6 a)
b)

7 ஐ
b)

8 9)

9

10 2)
0)

Course Code: 40403
Course Name: AIRCRAFT SYSTEMS AND INSTRUMENTS

PARTA
Answer any three full questions, each carries 10 marks.

Draw and explain the working of a typical pneumatic system.
Why would Some industries select Pneumatics over Hydraulic?
Explain the working of a large aircraft landing gear retraction system.
Explain the difference between push-pull rod and cable pulley systems.
Name three engine control systems.
What do you meant by fully powered flight control system? Explain with neat
sketch.
PART B

Answer any three full questions, each carries 10 marks.
Explain the longitudinal and lateral controls in autopilot system with neat
sketches.
What is auto pilot failure?
What are the advantages and disadvantages of auto pilot system?
Explain dry sump lubrication system.
Explain wet sump lubrication system.
Explain the working principles of
a) Battery ignition system
b) Magneto ignition system

PART C

Answer any four full questions, each carries 10 marks.
List out various gyroscopic instruments used in the aircraft and explain any one
in detail.
Discuss the two fundamental properties of Gyroscope.

Distinguish between airspeed indicator and altimeter.

Page lof 2

Duration: 3 Hours

Marks
(7)
(3)

(10)
(7)
(3)

(10)

(10)

(4)
(6)
(5)
(5)

(5)
(5)

(10)

(5)
(5)