MORE IN Transportation Engg 2
VTU Civil Engineering (Semester 6)
Transportation Engg 2
May 2016
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) What are the political , social and economical advantages of railways?
6 M
1(b) Draw a neat sketch showing the details of double line B.G. track with electrical traction.
6 M
1(c) Draw a typical cross section of a permanent way. Discuss in brief the basic functions of various components of railway track.
8 M

2(a) What are the requirements of the good ballast? Mention the different types of ballast used in permanent way.
8 M
2(b) For rail of 11.89 m length, calculate the quantity of material per km length of track. Assume sleeper density to be equal to [1.093n + 4].
6 M
2(c) A locomotive on MG track has three pair of driving wheels each carrying 20 tones. What maximum load can it pull on level track with curvature of 2° at 50 kmph?
6 M

3(a) Explain the following : (i) Ruling gradient; (ii) Momentum gradient; (iii) Grade compendation on curve.
6 M
3(b) What is super elevation? List objects of providing super elevation on curves.
6 M
3(c) What would be the equilibrium cat on a M.G. curve of 5° for an average speed of 60 kmph? Also find the maximum permissible speed after allowing the maximum cant deficiency.
8 M

4(a) Draw a neat, line diagram of a right hand turn out and show its various components.
6 M
4(b) With a neat sketch, explain the working of a semaphore signal.
8 M
4(c) Write short notes on : (i) Turn table, (ii) Water column.
6 M

5(a) Explain the factors which influence selection of sites for an airport.
8 M
5(b) Draw a neat sketch cross section of runway.
6 M
5(c) Mention the various assumptions made in the basic length of runway.
6 M

6(a) Explain the various factors which affect the locations of exit taxiway.
8 M
6(b) Design an exit taxiway joining a runway and a parallel main taxiway. The total angle of turn is 30° and the turn off speed is 80 kmph. Draw a neat sketch and show there in all design elements. [Assume R1 = 73.1 m for 80 kmph, speed]
12 M

7(a) Explain various shape of tunnels with neat sketch.
6 M
7(b) Explain with neat sketch the operations involved in needle beam method of constructing a tunnel.
6 M
7(c) Write short notes on: (i) Tunnel lining; (ii) Tunnel drainage.
8 M

8(a) What are factors to be considered while selecting a site for a harbour?
6 M
8(b) What is dry dock? Explain the construction and use of dry dock.
6 M
8(c) What is break water? Explain with a neat sketch wall breakwater.
8 M

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