Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 7th Sem New 2170101 Aircraft Design I Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2017
Subject Code: 2170101 Date: 02/11/2017
Subject Name: Aircraft Design I
Time: 10:30 AM TO 01:00 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) Write down the significance of vortex generator. 03
(b) How the wing configuration of passenger aircraft is different from
fighter aircraft.
04
(c) With the help of block diagram briefly explain about three stages
of aircraft design.
07
Q.2 (a) Why the high lift devices are operated at take-off and landing
conditions?
03
(b) With neat sketch explain function of trim tab. 04
(c) Which aerodynamic considerations will you make to design a
supersonic jet fighter?s fuselage?
07
OR
(c) Explain cyclic pitch and collective pitch control in brief with neat
sketches.
07
Q.3 (a) Explain the significance of sweep back angle. 03
(b) Only draw any type of plan form shaped wing and mention Mean
Aerodynamic Chord, Geometric Aerodynamic Centre, Root
Chord, Tip Chord, C.G Range and Neutral Point.
04
(c) With neat sketch explain advantages and disadvantages of
different tail plane configuration.
07
OR
Q.3 (a) List out the different types of aircraft. 03
(b) Explain the significance of Dihedral, Polyhedral and Anhedral
wing configurations
04
(c) Write down procedure to design wing geometry of a public
transport jet aircraft.
07
Q.4 (a) Explain how tail rotor supports maneuvering of a conventional
helicopter?
03
(b) Explain about the control surface sizing of a tail plane. 04
(c) Explain the advantages and disadvantages of retractable landing
gear over fix landing gear.
07
OR
Q.4 (a) Why there is a variation in thickness of airplane wing from root
to tip?
03
(b) Explain how to determine track and base distance of landing
gears.
04
(c) Write down the design differences between fighter aircraft and
passenger aircraft.
07
Q.5 (a) How to determine load acting upon wheels of aircrafts when
aircraft is fully loaded with payload and fuel?
03
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2017
Subject Code: 2170101 Date: 02/11/2017
Subject Name: Aircraft Design I
Time: 10:30 AM TO 01:00 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) Write down the significance of vortex generator. 03
(b) How the wing configuration of passenger aircraft is different from
fighter aircraft.
04
(c) With the help of block diagram briefly explain about three stages
of aircraft design.
07
Q.2 (a) Why the high lift devices are operated at take-off and landing
conditions?
03
(b) With neat sketch explain function of trim tab. 04
(c) Which aerodynamic considerations will you make to design a
supersonic jet fighter?s fuselage?
07
OR
(c) Explain cyclic pitch and collective pitch control in brief with neat
sketches.
07
Q.3 (a) Explain the significance of sweep back angle. 03
(b) Only draw any type of plan form shaped wing and mention Mean
Aerodynamic Chord, Geometric Aerodynamic Centre, Root
Chord, Tip Chord, C.G Range and Neutral Point.
04
(c) With neat sketch explain advantages and disadvantages of
different tail plane configuration.
07
OR
Q.3 (a) List out the different types of aircraft. 03
(b) Explain the significance of Dihedral, Polyhedral and Anhedral
wing configurations
04
(c) Write down procedure to design wing geometry of a public
transport jet aircraft.
07
Q.4 (a) Explain how tail rotor supports maneuvering of a conventional
helicopter?
03
(b) Explain about the control surface sizing of a tail plane. 04
(c) Explain the advantages and disadvantages of retractable landing
gear over fix landing gear.
07
OR
Q.4 (a) Why there is a variation in thickness of airplane wing from root
to tip?
03
(b) Explain how to determine track and base distance of landing
gears.
04
(c) Write down the design differences between fighter aircraft and
passenger aircraft.
07
Q.5 (a) How to determine load acting upon wheels of aircrafts when
aircraft is fully loaded with payload and fuel?
03
2
(b) Discuss maneuvering techniques of a tandem rotor helicopter. 04
(c) Discuss about the different types of engine mounting locations for
different aircraft. Also explain its significance.
07
OR
Q.5 (a) Explain the significance of tapper ratio. 03
(b) Suppose you want to convert single engine piston prop aircraft
into jet plane configuration how will you convert Hp/Wo from
Tmax/ Wo Ratio?
04
(c) Discuss different rotor configurations with neat sketches. 07
*************
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This post was last modified on 20 February 2020