B.Sc. DEGREE EXAMINATION, NOVEMBER 2017.
Aeronautical Science
AIRCRAFT INSTRUMENTS
(Upto 2015 Batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. Define ISA.
2. Differentiate scale length and scale marking
3. What are square law and its compensation in A.S.I?
4. What are thermocouple and its application?
5. What do you understand by oxygen plumbing?
6. What do you understand by Error's of deviation and
Co-efficient in compass?
7. Define the three codes used for altimeter pressure
setting.
8. What do you understand about pitot and static pressure?
Sub. Code
43
CP-7863
2
WS 20
Part B x 12 60)
Answer all questions.
9. What is the colour range marking on ASI and its
indications?
Or
What is Head Up Display and explain its
construction and operation?
10. With a schematic diagram state the construction
and operation of continuous flow type oxygen
system?
Or
Describe about barometric pressure ceiling of
altimeter.
11. What are the various types of thermocouples used
on piston and jet engine? Explain its construction
and operation.
Or
Explain the operation of a Vertical Speed Indicator
when aircraft goes from a level flight into a
climb attitude.
CP-7863
3
WS 20
12. Briefly explain the operating procedure of
capacitance type fuel quantity indicator.
Or
Describe about the EPR instrument.
13. Briefly discuss about the remote reading compass
swinging procedure.
Or
Explain about the compass errors.
—————————