Exam Details
| Subject | Aircraft Structures | |
| Paper | ||
| Exam / Course | B.Tech in Aerospace Engineering (BTAE) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2015 | |
| City, State | new delhi, |
Question Paper
Define the term 'Torsion'.
What are the advantages of a semi-monocoque fuselage?
What are the primary flight control surfaces of an aircraft? Explain their functions.
A quadrant ring beam of radius supports a concentrated load at the free end. Calculate vertical and horizontal deflection at the free end.
What do you understand by unsymmetrical bending Explain the torsion of thin walled closed sections.
Find the horizontal deflection at point D for the frame shown in Figure 1.
Take EI =20,000 kNm^2.
<img src='./qimages/15086-3a.jpg'>
Write Euler's formula for maximum stress for an initially bent column.
What are the factors on which the deflection of a spring beam depends?
The beam ABC in Figure 2 is simply supported at A and B and has an overhang from B to C. The load consists of a horizontal force PI 4 kN acting at the end of a vertical arm and a vertical force P2 8 kN acting at the end of the overhang. Determine the shear force and the bending moment at a cross-section located 3m from the left hand support.
<img src='./qimages/15086-4a.jpg'>
What are the various types of stresses developed in thin cylinders?
Give a detailed description of thin walled open sections and closed sections.
Derive an equation to determine the stresses on a thin walled spherical shell.
Explain the different types of aircraft components with neat sketches.
What are the types of mechanical stresses that can occur in aircraft components What are their effects
Explain the functioning of a beam type torque wrench.
The vertical shear action on a channel section is 3 kN. Find the shear flow and shear centre of the section shown in Figure 3. Assume constant thickness of 10 mm throughout the section. 1.21 x 10^8 mm^4.
<img src='./qimages/15086-7b.jpg'>
Explain the working of a load cell.
hollow cylindrical steel shaft is 1.5 m long and has inner and outer diameters of 40 mm and 60 mm respectively. What is the largest torque which may be applied to the shaft, if the shearing stress is not to exceed 120 MPa What is the corresponding minimum value of shearing stress in the shaft
What are the advantages of a semi-monocoque fuselage?
What are the primary flight control surfaces of an aircraft? Explain their functions.
A quadrant ring beam of radius supports a concentrated load at the free end. Calculate vertical and horizontal deflection at the free end.
What do you understand by unsymmetrical bending Explain the torsion of thin walled closed sections.
Find the horizontal deflection at point D for the frame shown in Figure 1.
Take EI =20,000 kNm^2.
<img src='./qimages/15086-3a.jpg'>
Write Euler's formula for maximum stress for an initially bent column.
What are the factors on which the deflection of a spring beam depends?
The beam ABC in Figure 2 is simply supported at A and B and has an overhang from B to C. The load consists of a horizontal force PI 4 kN acting at the end of a vertical arm and a vertical force P2 8 kN acting at the end of the overhang. Determine the shear force and the bending moment at a cross-section located 3m from the left hand support.
<img src='./qimages/15086-4a.jpg'>
What are the various types of stresses developed in thin cylinders?
Give a detailed description of thin walled open sections and closed sections.
Derive an equation to determine the stresses on a thin walled spherical shell.
Explain the different types of aircraft components with neat sketches.
What are the types of mechanical stresses that can occur in aircraft components What are their effects
Explain the functioning of a beam type torque wrench.
The vertical shear action on a channel section is 3 kN. Find the shear flow and shear centre of the section shown in Figure 3. Assume constant thickness of 10 mm throughout the section. 1.21 x 10^8 mm^4.
<img src='./qimages/15086-7b.jpg'>
Explain the working of a load cell.
hollow cylindrical steel shaft is 1.5 m long and has inner and outer diameters of 40 mm and 60 mm respectively. What is the largest torque which may be applied to the shaft, if the shearing stress is not to exceed 120 MPa What is the corresponding minimum value of shearing stress in the shaft
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
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- School of Law (SOL)
- School of Management Studies (SOMS)
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- School of Performing Arts and Visual Arts(SOPVA)
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- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Aerodynamics- I
- Aerodynamics- II
- Aircraft Design/Launch Vehicle/ Rocket Design
- Aircraft Instruments
- Aircraft Safety and Maintenance Engineering
- Aircraft Structures
- Aircraft Systems And Airworthiness Requirements
- Applied Chemistry
- Applied Physics
- Basic Control Theory
- CNS-ATM system
- Composite Materials
- Computer Fundamentals
- Engineering Drawing
- Environmental Science
- Flight Mechanics
- High Speed Aerodynamics
- Instruction To Computer Play Device
- Introduction to Aeronautics
- Introduction To Rocket And Missiles
- Mechanics Design
- Propulsion- I
- Propulsion- II
- Rocket Propulsion
- Space Dynamics
- Strength of Materials
- Technical Writing and Communication Skills
- Workshop Technology