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G193008 Pages:2

Explain with neat sketch Reception signal and Departure signals
Explain the procedure of periodic track maintenance in detail.
Differentiate between C.T.C. system and A.T.C. system
PART C
Answer any two full questions, each carries 20 marks.
What are the requirements of a good harbour?
Compare mound type break water with wall type breakwater with the help of
sketches
Explain the shield method of tunnelling with help of a sketch
What is the necessity of railway tunnel? Draw a sketch to illustrate a single track
railway tunnel?
Explain in detail the procedure of providing drainage and ventilation in tunnels.

Write short notes on:
(i) Moorings

(ii) Wharves
(111) Transit Shed
(iv) Quays

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