GTU Automobile Body Engineering - June 2014 Exam Question Paper

GTU Mechanical Engineering (Semester 8)
Automobile Body Engineering
June 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Explain vehicle drag and its types. Discuss effect of body profiling on bus.

7 M

1 (b) Draw the bus body layout and give the function of each component of bus body.

7 M

2 (a) Explain various seat dimension parameter with sketch.

7 M

Answer any two question from Q2 (b) or Q2 (c)

2 (b) Explain crush test performed while testing of vehicle.

7 M

2 (c) Explain method of improving visibility in car and space in cars.

7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)

3 (a) What is difference between frame construction and double skin construction explains it in detail.

7 M

3 (b) Explain various insulating material with its characteristics.

7 M

3 (c) Explain various adhesive and sealant used in automobile.

7 M

3 (d) Explain various types of sections used for frame construction for buses with neat sketch.

7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)

4 (a) Explain SLED test.

7 M

4 (b) Discuss the need of aerodynamic structure in the auto vehicle and also explain different types of forces and moments acting in vehicle.

7 M

4 (c) Explain methods for paint and painting process for automobile body.

7 M

4 (d) Explain body characteristics of vehicle.

7 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)

5 (a) List Different types of bus bodies and explain split-level, double decker and articulated bus bodies with suitable sketch.

7 M

5 (b) Discuss sources of noises testing and method of elimination.

7 M

5 (c) Explain global load cases.

7 M

5 (d) Explain shear panel method.

7 M

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