PTU Punjab Technical University B-Tech May 2019 Question Papers 3rd Semester AREO-Aerospace-Engineering
Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (Aerospace Engg.) (2012 Onwards) (Sem.?3)
INTRODUCTION TO AEROSPACE ENGINEERING
Subject Code : ASPE-202
M.Code : 70904
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.
SECTION?A
1.
Answer briefly :
(2?10=20)
(a) Explain the salient features of troposphere.
(b) Explain briefly the early development of biplanes.
(c) Explain the phenomenon of lift generation.
(d) Define geometric angle of attack and absolute angle of attack using sketches.
(e) List basic navigation instruments of a typical medium range transport aircraft.
(f) List and explain the function of primary control surfaces.
(g) Classify aircrafts based on wing planforms.
(h) List the uses of stainless steel in aviation.
(i) What do you mean by 'geodesic' construction?
(j) Write the functions of wing ribs. Sketch a typical wing rib.
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SECTION-B
2.
Explain the differences between `monocoque' and `semi-monocoque' structures using
sketches.
(5)
3.
Write a note on `rocket propulsion' with the help of sketch.
(5)
4.
Define chord line, camber, camber line and zero lift line of an unsymmetrical airfoil with
the help of a neat and labelled diagram.
(5)
5.
What do you mean by space vehicles? Explain the development of space vehicles. (2,3)
6.
What are metallic and non-metallic materials? Distinguish between the two.
(2,3)
SECTION-C
7.
(a) Explain V-N diagram for a typical fighter aircraft with the help of a neat & labelled
diagram.
(4)
(b) Write a short note on `Reinforced & Honeycomb Structures'.
(6)
8.
(a) Discuss the usage of electronics in aviation.
(6)
(b) Distinguish between `Bluff bodies' and `Stream-lined body'.
(4)
9.
(a) Explain the principles of navigation.
(4)
(b) Explain the requirements for orbital, planetary and atmospheric entry missions. (6)
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 04 November 2019