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PART (^
Answer any two full questions, each carries 20 marks.

Classify harbours on the basis of utility and explain the uses and requirements of
them.
How is transferring of center line into the tunnel carried out? Explain with the
help of neat diagram
What is a bulk head? Explain shield method of tunnelling through water bearing
soils
What is a dry dock? What are the classifications of dry dock? Explain in detail,
any two types of dry docks with neat sketches.
Explain the requirements of a good harbour.
Write short note on:

(i) Spring and Neap Tide

(ii) Littoral Drift

(iii) Tidal Bore

(iv) Offshore moorings

Enumerate the various ship characteristics that affect the harbour design.

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