# Transportation Engineering-II May 2002

CE 702 TRANSPORTATION ENGINEERING II

I. (a) Draw a neat dimensional sketch of a Broad Gauge track in cutting and show all component parts.

b) What are the requirements of an ideal permanent way? On what factors the capacity of a permanent way depends? Give your justification for unigauge policy.

c)  With neat sketches, explain the terms – Coning of wheels and Adzing of sleepers.

OR

II. a) (i) Define super elevation. What are the factors affecting super elevation?

(ii) Determine the super elevation to be provided for a 4° transition curve having a maximum speed of 100 kmph for a B.G. track.

b) (i) With sketches explain the different types of rail joints.

(ii) Explain how the length of transition curve is determined.

III a) How do you classify railway yards? Describe their main features.

b) Explain with sketches the acute angle crossing and obtuse angle crossing.

c)  Discuss the factors to be considered in selecting a proper site for a railway station.

OR

IV a) Design a 1 in 8 Vi diamond crossing between two BG tracks and mark the details and dimensions on a neat sketch.

b) Explain the main functions of marshalling yard.

c)  State the essentials of absolute block system and describe how they are fulfilled through signaling and interlocking.

V. (a) Write notes on size and shape of tunnel and ventilation in tunnels.

(b) Under what circumstances, tunnel lining is necessary? Explain linear plate method used for tunneling.

OR

VI a) Describe with sketches drainage of tunnels.

b) Write short notes on tunnel alignment and grade.

VII a) How are waves classified? Explain the generation and movement of sea wave.

b) What are the requirements of a commercial Harbour?

c) Write notes on Wharves and Piers.

OR

VIII a) What is a Harbour? Describe the classification through sketches. How do you decide the harbour size?

b) Explain the different types of signals used in navigation.

IX a) Why is dredging necessary? What are the different types of dredgers used? How are the dredged materials disposed off?

b) Explain the functions of different types of docks.

OR

X a) Explain what is meant by floating docks and slipways.

b) Explain the construction of a dry dock.