Aircraft Engineering Drawing 2 38601i

Set No. 1

Code No: R05212103

II B.Tech I Semester Supplimentary Examinations, November 2008 AIRCRAFT ENGINEERING DRAWING (Aeronautical Engineering) Time: 3 hours Max Marks: 80 Note: Answer any TWO Questions from PART-A PART-B is compulsory ⋆⋆⋆⋆⋆ PART-A (Marks:40)

1. Draw three views of a Hexagonal headed bolt of nominal diameter 25mm and length 100mm with a hexagonal nut and washer in place. 2. Draw the sectional front view and top view of a single riveted double strap butt t for a plate thickness of 12mm. 3. Draw a 2-d sectional profile of NACA 2410 from the data given below. Take airfoil chord of 25cms for your workout. N ACA 2410 (Stations and ordinates given in percent of airf oil chord) Lower Surface Upper Surface Station Ordinate Station Ordinate 0 0 0 0 -1.448 1.402 1.694 1.098 -1.927 2.703 2.411 2.297 -2.482 5.258 3.420 4.742 -2.809 7.783 4.169 7.217 -3.016 10.290 4.766 9.710 -3.227 15.278 5.665 14.722 -3.276 20.239 6.276 19.761 -3.230 25.186 6.668 24.814 -3.125 30.125 6.875 29.875 -2.837 40.000 6.837 40.000 -2.468 49.951 6.356 50.049 -2.024 59.915 5.580 60.085 -1.551 69.898 4.551 70.102 -1.074 79.903 3.296 80.097 -0.594 89.933 1.816 90.067 -0.352 94.959 0.990 95.067 -0.150 100.000 0.105 100.000 L.E radius: 1.10 Stope of radius through L.E: 0.1

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Set No. 1

Code No: R05212103

PART-B (Marks: 40 marks) 4. Figure 4b. gives the part drawings of Universal Coupling. Assemble all the parts and draw the following assembled views. (a) Sectional front view (b) Side view.

Figure 4b ⋆⋆⋆⋆⋆

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Set No. 2

Code No: R05212103

II B.Tech I Semester Supplimentary Examinations, November 2008 AIRCRAFT ENGINEERING DRAWING (Aeronautical Engineering) Time: 3 hours Max Marks: 80 Note: Answer any TWO Questions from PART-A PART-B is compulsory ⋆⋆⋆⋆⋆ PART-A (Marks:40)

1. Draw a Single Gib Head key for a shaft of 50mm size (assembly). 2. Draw the top view and sectional front view of a Single riveted lap t. Take the thickness of plate as 12mm. 3. Draw a 2-d sectional profile of NACA 2410 from the data given below. Take airfoil chord of 25cms for your workout. N ACA 2410 (Stations and ordinates given in percent of airf oil chord) Lower Surface Upper Surface Station Ordinate Station Ordinate 0 0 0 0 -1.448 1.402 1.694 1.098 -1.927 2.703 2.411 2.297 -2.482 5.258 3.420 4.742 -2.809 7.783 4.169 7.217 -3.016 10.290 4.766 9.710 -3.227 15.278 5.665 14.722 -3.276 20.239 6.276 19.761 -3.230 25.186 6.668 24.814 -3.125 30.125 6.875 29.875 -2.837 40.000 6.837 40.000 -2.468 49.951 6.356 50.049 -2.024 59.915 5.580 60.085 -1.551 69.898 4.551 70.102 -1.074 79.903 3.296 80.097 -0.594 89.933 1.816 90.067 -0.352 94.959 0.990 95.067 -0.150 100.000 0.105 100.000 L.E radius: 1.10 Stope of radius through L.E: 0.1

PART-B (Marks:40 marks) 1 of 2

Set No. 2

Code No: R05212103

4. Figure 4b. gives the part drawings of foot step bearing. Assemble all the parts and draw the following assembled views. (a) Sectional front view (b) Top view.

Figure 4b ⋆⋆⋆⋆⋆

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Set No. 3

Code No: R05212103

II B.Tech I Semester Supplimentary Examinations, November 2008 AIRCRAFT ENGINEERING DRAWING (Aeronautical Engineering) Time: 3 hours Max Marks: 80 Note: Answer any TWO Questions from PART-A PART-B is compulsory ⋆⋆⋆⋆⋆ PART-A (Marks:40)

1. Draw the Following Thread Profiles and mark proportions. (a) Witworth thread (b) Buttress thread (c) ACME thread (d) Square thread (e) B.S.W.thread. 2. Draw the top view and sectional front view of a Single riveted lap t. Take the thickness of plate as 12mm. 3. Draw a 2-d sectional profile of NACA 23012 from the data given below.

Distance from L.E, %chord 0 1.25 2.5 5.0 7.5 10 15 20 25 30 40 50 60 70 80 90 95 100

Upper surface 0 2.67 3.61 4.91 5.80 6.43 7.19 7.50 7.60 7.55 7.14 6.41 5.47 4.36 3.08 1.68 0.92 0

PART-B (Marks:40 marks) 1 of 2

Lower surface 0 -1.23 -1.71 -2.26 -2.61 -2.92 -3.50 -3.97 -4.28 -4.46 -4.48 -4.17 -3.67 -3.00 -2.16 -1.23 -0.70 0

Set No. 3

Code No: R05212103

4. Figure 4c. shows the isometric view of Structural wall bracket. Draw (a) Sectional front view (b) Top view. (c) End view

Figure 4c ⋆⋆⋆⋆⋆

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Set No. 4

Code No: R05212103

II B.Tech I Semester Supplimentary Examinations, November 2008 AIRCRAFT ENGINEERING DRAWING (Aeronautical Engineering) Time: 3 hours Max Marks: 80 Note: Answer any TWO Questions from PART-A PART-B is compulsory ⋆⋆⋆⋆⋆ PART-A (Marks:40)

1. Draw a Single Gib Head key for a shaft of 50mm size (assembly). 2. Draw the sectional front view and top view of a single riveted single cover butt t for a plate thickness of 12mm. 3. Draw a 2-d sectional profile of NACA 2415 from the data given below. Take airfoil chord of 25cms for your workout. N ACA 2415 (Stations and ordinates given in percent of airf oil chord) Lower surface Upper surface Station Ordinate Station Ordinate 0 0 ........ 0 -2.06 1.25 2.71 1.25 -2.86 2.5 3.71 2.5 -3.84 5.0 5.07 5.0 -4.47 7.5 6.06 7.5 -4.90 10 6.83 10 -5.42 15 7.97 15 -5.66 20 8.70 20 -5.70 25 9.17 25 -5.62 30 9.38 30 -5.25 40 9.25 40 -4.67 50 8.57 50 -3.90 60 7.50 60 -3.05 70 6.10 70 -2.15 80 4.41 80 -1.17 90 2.45 90 -0.68 95 1.34 95 (-0.16) 100 (0.16) 100 0 100 ......... 100 L.E.radius:2.48 Slope of radius through L.E.:0.10

PART-B (Marks:40 marks) 1 of 2

Set No. 4

Code No: R05212103

4. Figure 4. Given details of a Knuckle t, draw top and front sectional views.

Figure 4 ⋆⋆⋆⋆⋆

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