Second
year, Department of Aeronautical Engineering
First and second
Units Questions.
Answer ALL Questions
PART- A [20 Marks]
1.
What
is wing loading?
2.
Define
stalling angle of attack?
3.
Name
3 primary and 3 secondary control surfaces?
4.
Differenciate
between AOA and Angle of incidence?
5.
List
out factors affecting lift?
6.
List
out classification of flight vehicles?
7.
Differentiate
between centre of pressure and center of gravity?
8.
Define
Mach no and Aspect ratio?
9.
Give
3 types of aerofoil?
10. Explain the
forces acting on an airplane?
PART B (15×1=15
Marks)
11. Describe the basic structure of atmospheric
with neat sketch. Markpressure, and temperature?
PART C(13× 5=65
Marks)
12. a) How liftis produced? Draw liftsvs AOA for
cambered aerofoil?
(OR)
b) Draw CL/CDvs AOA and explain also mark most
efficient AOA
13. a) Calculate the pressure ,temp, density at
11Km altitude , if pressure , temp and density at ground are 1 bar, 288K,and
density 1.225 kg/
(OR)
b) Explain following term,
i.
Thickness
ratio
ii.
Span
and semi span
iii.
Bernaullis
principle
iv.
Different
types of aerofoil
14. a) Explain in detail troposphere and
stratosphere and give temp variation formula for each layer?
(OR)
b) Sketch an airplane and mark all elements and
explain?
15. a) Explain 4 digit and 5 digit NACA series
aerofoil .Mark the values of NACA 2618
and NACA 35125
(OR)
b) Sketch an aerofoil and mark all its nomenclature.Differentiate between cambered
aerofoil and symmetrical aerofoil
16. a) Explain the following
terms
i.
Ornithopterand
Amphibian.
ii.
What
is empennage?
iii.
Laminar
and turbulent flow.
(OR)
b) Explain
various types of drag and draw CD vs AOA.
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