Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2130106 Aircraft Science And Manufacturing Processes Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2130106 Date: 5/12/2019
Subject Name: Aircraft Science and Manufacturing Processes
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) With neat sketch explain how lift is generated by a finite wing. 03
(b) Explain four forces acting upon a cruising aircraft. 04
(c) Draw a cross section of a wing and explain airfoil nomenclature of a
conventional airfoil
07
Q.2 (a) Define Rolling, Pitching, Yawing. 03
(b) Differentiate between function air brakes and spoilers. 04
(c) With neat sketch explain function of all primary control surfaces. 07
OR
(c) Draw a layout of a sweep back wing and mention all necessary
structural components.
07
Q.3 (a) With neat sketch explain function of vertical fin and horizontal
stabilizer.
03
(b) Define. Bonding pressure. Enlist different types of glues used in
construction of wooden airframes.
04
(c) Draw and explain function of members of a wooden truss type
fuselage.
07
OR
Q.3 (a) What is the function of trim tabs? How they are helpful to pilots to
reduce stick pressure.
03
(b)
How will you take care of a wooden airframe and protect from
humidity in atmosphere?
04
(c) Explain technique to cover a truss type fuselage by fabric. What are
good properties of a fabric?
07
Q.4 (a) Draw and explain constructional features of a semimonocoque
structure.
03
(b) Enlist and explain usage of hand tools for sheet metal work in one
sentence for each.
04
(c) Explain fabrication process of a welded steel tube truss type
fuselage.
07
OR
Q.4 (a) Explain sheet metal rolling technique with neat sketch. 03
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2130106 Date: 5/12/2019
Subject Name: Aircraft Science and Manufacturing Processes
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) With neat sketch explain how lift is generated by a finite wing. 03
(b) Explain four forces acting upon a cruising aircraft. 04
(c) Draw a cross section of a wing and explain airfoil nomenclature of a
conventional airfoil
07
Q.2 (a) Define Rolling, Pitching, Yawing. 03
(b) Differentiate between function air brakes and spoilers. 04
(c) With neat sketch explain function of all primary control surfaces. 07
OR
(c) Draw a layout of a sweep back wing and mention all necessary
structural components.
07
Q.3 (a) With neat sketch explain function of vertical fin and horizontal
stabilizer.
03
(b) Define. Bonding pressure. Enlist different types of glues used in
construction of wooden airframes.
04
(c) Draw and explain function of members of a wooden truss type
fuselage.
07
OR
Q.3 (a) What is the function of trim tabs? How they are helpful to pilots to
reduce stick pressure.
03
(b)
How will you take care of a wooden airframe and protect from
humidity in atmosphere?
04
(c) Explain technique to cover a truss type fuselage by fabric. What are
good properties of a fabric?
07
Q.4 (a) Draw and explain constructional features of a semimonocoque
structure.
03
(b) Enlist and explain usage of hand tools for sheet metal work in one
sentence for each.
04
(c) Explain fabrication process of a welded steel tube truss type
fuselage.
07
OR
Q.4 (a) Explain sheet metal rolling technique with neat sketch. 03
2
(b) Explain any two types of sheet metal sheering techniques. 04
(c) What types of rivets are used for construction of a sheet metal
airframe construction? Explain applications of such airframes with
neat sketches.
07
Q.5 (a) Explain any one type of junction of welded steel tube structure. 03
(b) Differentiate between brazing and soldering process. 04
(c) With neat sketch explain repairing of tubing of fuselage. 07
OR
Q.5 (a) Explain stretch forming process for sheet metal. 03
(b) Enlist any four types of aircraft painting equipments and explain
their applications very shortly.
04
(c) Differentiate between painting process of aircrafts having sheet
metal skin and fabric covering.
07
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This post was last modified on 20 February 2020