AE 49 AIRCRAFT COMPONENT DRAWING

B.E DEGREE PRACTICAL EXAMINATIONS, APRIL / MAY 2012

Fourth Semester

Aeronautical Engineering

AE 49 AIRCRAFT COMPONENT DRAWING

(Regulation 2008)

Time: Three hours                                                                                                Maximum: 100 marks

COLLEGE CODE AND NAME: 9625, THE RAJAAS ENGINEERING COLLEGE

DATE OF EXAM: 18.04.2012

1.      a) Design a single riveted lap joint between 10 mm thick plates and also calculate the joint efficiency. If the

Permissible tensile stress in plates = 120 MPa

Permissible shearing stress in rivets = 120 Mpa

Permissible crushing stress in rivets = 180 Mpa

Also draw the top view and sectional front view of the given single riveted lap joint. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets. Use 1:1 scale.

b) Draw the layout of typical aircraft landing gear using AutoCAD.

2.      a) Design a double riveted lap joint for joining two plates of 10 mm thick. The allowable stresses are 60 N/mm² in tension 50 N/mm² in shearing and 80 N/mm² in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted lap joint with chain riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of aircraft control surfaces, positive deflection angles and axes of motion using AutoCAD.

3.      a) Design a double riveted lap joint for joining two plates of 10 mm thick. The allowable stresses are 60 N/mm² in tension 50 N/mm² in shearing and 80 N/mm² in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted lap joint with zig - zag riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw and mark the components of a typical aircraft using AutoCAD.

4.      a) Design a triple riveted lap joint for joining two plates of 9 mm thick. The allowable stresses are 80 N/mm² in tension 60 N/mm² in shearing and 100 N/mm² in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted lap joint with chain riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical aircraft stressed wing structure using AutoCAD.

5.      a) Design a triple riveted lap joint for joining two plates of 9 mm thick. The allowable stresses are 80 N/mm² in tension 60 N/mm² in shearing and 100 N/mm² in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted lap joint with zig - zag riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical light aircraft wing using AutoCAD.

6.      a) Design and draw a single riveted single strap butt joint for joining two plates of 10 mm thick. The allowable stresses are 100 MPa in tension 110MPa in shearing and 170 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted single strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the three views of a typical aircraft using AutoCAD.

7.      a) Design and draw a single riveted single strap butt joint for joining two plates of 10 mm thick. The allowable stresses are 100 MPa in tension 110MPa in shearing and 170 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted single strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical aircraft landing gear using AutoCAD.

8.      a) Design and draw a double riveted single strap butt joint for joining two plates of 10 mm thick. The allowable stresses are 60 MPa in tension 65 MPa in shearing and 95 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted single strap butt joint with chain riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of aircraft control surfaces, positive deflection angles and axes of motion using AutoCAD.

9.      a) Design and draw a double riveted single strap butt joint for joining two plates of 10 mm thick. The allowable stresses are 60 MPa in tension 65 MPa in shearing and 95 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted single strap butt joint with zig zag riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw and mark the components of a typical aircraft using AutoCAD.

10. a) Design and draw a single riveted double strap butt joint with equal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 85 MPa in shearing and 110 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the three views of a typical aircraft using AutoCAD.

11. a) Design and draw a single riveted double strap butt joint with equal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 85 MPa in shearing and 110 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the sectional view of an aircraft wing structure using AutoCAD.

12. a) Design and draw a single riveted double strap butt joint with unequal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 85 MPa in shearing and 110 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical aircraft fuselage structure using AutoCAD.

13. a) Design and draw a single riveted double strap butt joint with unequal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 85 MPa in shearing and 110 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given single riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of aileron control system using AutoCAD.

14. a) Design and draw a double riveted double strap butt joint with equal cover plates for joining two plates of 1.2 cm thick. The allowable stresses are 100 MPa in tension 240 MPa in shearing and 280 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of elevator control system using AutoCAD.

15. a) Design and draw a double riveted double strap butt joint with equal cover plates for joining two plates of 1.2 cm thick. The allowable stresses are 100 MPa in tension 240 MPa in shearing and 280 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of Rudder control system using AutoCAD.

16. a) Design and draw a double riveted double strap butt joint with unequal cover plates for joining two plates of 10 mm thick. The allowable stresses are 75 MPa in tension 120 MPa in shearing and 225 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of flight control bus system using AutoCAD.

17. a) Design and draw a double riveted double strap butt joint with unequal cover plates for joining two plates of 10 mm thick. The allowable stresses are 75 MPa in tension 120 MPa in shearing and 225 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given double riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical aircraft stressed wing structure using AutoCAD.

18. Design and draw a triple riveted double strap butt joint with equal cover plates for joining two plates of 16 mm thick. The allowable stresses are 80 MPa in tension 115 MPa in shearing and 140 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical light aircraft wing using AutoCAD.

19. Design and draw a triple riveted double strap butt joint with equal cover plates for joining two plates of 16 mm thick. The allowable stresses are 80 MPa in tension 115 MPa in shearing and 140 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the sectional view of an aircraft wing structure using AutoCAD.

20. Design and draw a triple riveted double strap butt joint with unequal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 40 MPa in shearing and 75 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted double strap butt joint with chain riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of typical aircraft fuselage structure using AutoCAD.

21. Design and draw a triple riveted double strap butt joint with unequal cover plates for joining two plates of 20 mm thick. The allowable stresses are 50 MPa in tension 40 MPa in shearing and 75 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given triple riveted double strap butt joint with zig zag riveting. Show atleast three rivets. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of aileron control system using AutoCAD.

22. Design and draw a quadruple riveted double strap butt joint with unequal cover plates for joining two plates of 10 mm thick. The allowable stresses are 50 MPa in tension 70 MPa in shearing and 80 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given quadruple riveted double strap butt joint with chain riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of elevator control system using AutoCAD.

23. Design and draw a quadruple riveted double strap butt joint with unequal cover plates for joining two plates of 10 mm thick. The allowable stresses are 50 MPa in tension 70 MPa in shearing and 80 MPa in crushing. Determine the efficiency of the joint. Also draw the top view and sectional front view of the given quadruple riveted double strap butt joint and zig zag riveting. Indicate all the dimensions. Use snap head for rivets.

b) Draw the layout of Rudder control system using AutoCAD.