Rr212403 Automobile Engineering Drawing 244e3v

Set No.1

Code No: RR212403

II B.Tech. I Semester Supplementary Examinations, February -2007 AUTOMOBILE ENGINEERING DRAWING (Automobile Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Draw the clearance fit between the shaft and the hole, when maximum size of shaft is 29.90 mm, minimum diameter of shaft is 29.85mm, minimum size of hole (Basic size) is 29.95mm, and maximum diameter of hole is 30.00mm. Show the minimum and maximum clearances and tolerance on shaft and hole. 2. Sketch the following thread profiles for a nominal diameter of 80 mm and pitch of 6 mm: (a) British standard whitworth (b) British Association (c) Seller’s (d) Unified. 3. Draw the following forms of nuts for a Nominal diameter of 36mm: (a) Hexagonal Nut (b) Square Nut Draw three views for each Nut. 4. Draw the sectional Front view and top view of a Double Riveted Double strap chain Butt t to plates of thickness 10 mm. 5. Draw the sectional Front view of cotter t with sleeve to connect two rods of diameter 40mm. 6. Draw the sectional Front view of Muff coupling to connect two shafts of diameter 50mm. 7. Sketch and label various parts of Engine Mount used in an Automobile. 8. Sketch neatly the Eccentric and Indicate the Important parts. ?????

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Set No.2

Code No: RR212403

II B.Tech. I Semester Supplementary Examinations, February -2007 AUTOMOBILE ENGINEERING DRAWING (Automobile Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Draw the transition fit between the shaft and hole, when Maximum size of shaft is 30.00 mm, Minimum diameter of shaft is 29.95mm,, Maximum diameter of hole is 30.05mm and Minimum size of hole (Basic size) is 29.95 mm. Show the shaft tolerance, Maximum clearance and Maximum Interference. 2. Sketch the following thread profiles for a nominal diameter of 64mm and a pitch of 6mm: (a) Square (b) ACME (c) Buttress (d) Knuckle. 3. Draw the following forms of nuts for a nominal diameter fo 48 mm: (a) Half sectional Front view of Flanged Nut (b) The Front and Top views of Capstan Nut. 4. Draw the sectional Front view and Top view of a Double riveted zig-zag Lap t to plates of thickness 12mm. 5. Draw the sectional Front view of cotter t with socket and spigot ends to connect two rods of diameter 50mm. 6. Draw the sectional Front view of split Muff coupling to connect two shafts of diameter 40mm. 7. Sketch and label various parts of Exhaust level Bracket used in an Automobile. 8. Sketch neatly the S.V. carburettor and Indicate the important parts. ?????

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Set No.3

Code No: RR212403

II B.Tech. I Semester Supplementary Examinations, February -2007 AUTOMOBILE ENGINEERING DRAWING (Automobile Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Draw the Interference fit between the shaft and the hole, when Maximum size of shaft is 30.40 mm, Minimum diameter of shaft is 30.30mm, Maximum diameter of hole is 30.25 mm and Minimum size of hole (Basic size) is 30.15 mm. Show the shaft tolerance, Minimum and Maximum Interferences and Hole tolerance. 2. Sketch a single start and a Double start square thread of nominal diameter 50 mm and a pitch of 5mm. 3. Draw the following forms of nuts for a Nominal diameter of 48mm: (a) Half sectional front view of Cap Nut (b) The Front and Top views of Ring Nut. 4. Draw the sectional Front view and Top view of a Triple riveted chain Lap t to plates of thickness 9mm. 5. Draw the sectional Front view of a Knuckle t to connect two rods of diameter 40mm. 6. Draw the sectional Front view of a Flanged coupling to connect two shafts of diameter 50 mm. 7. Sketch and label various parts of spark plug used in an Automobile. 8. Sketch neatly the Bosch Fuel Injector and indicate the important parts. ?????

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Set No.4

Code No: RR212403

II B.Tech. I Semester Supplementary Examinations, February -2007 AUTOMOBILE ENGINEERING DRAWING (Automobile Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Draw the fit between the shaft and hole for the following dimensions in millimeters of the mated parts.. Hole: 44.500 Shaft: 43.975 44.515 43.957 Show the maximum clearance, hole tolerance and shaft tolerance. 2. Sketch a single start and double shart V-Thread of nominal diameter 50 mm and a pitch of 5mm. 3. Draw the following forms of Nuts for a Nominal diameter of 48 mm: (a) Half sectional front view of Dome Nut. (b) The Front and Top views of wing Nut. 4. Draw the sectional Front view and Top view of a Double Riveted single strap zig-zag Butt t to plates of thickness 16 mm. 5. Draw the sectional Front view of the following keys:(Shaft diameter is 50 mm) (a) Flat saddle keys (b) Key with gib Head. 6. Draw the sectional Front view of a solid Flanged coupling to connect two shafts of diameter 40 mm. 7. Sketch and label various parts of steering Arm used in Automobile. 8. Sketch neatly the Gear type Lubricating pump and indicate the Important parts. ?????

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