Docks and Harbor Engineering
Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?

Sea walls, bulk heads and groynes
Sea walls, bulk heads and revetments
Sea walls, revetments and groynes
Bulk heads, revetments and groynes

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Docks and Harbor Engineering
In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel
The length of design vessel + 10% clearance between adjacent vessels
The length of design vessel + 20% clearance between adjacent vessels
Twice the length of design vessel

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Docks and Harbor Engineering
Assertion A : Intervention of undulations in the sea bed reduces the depth of wave at the section.Reason R : No wave can have a height greater than the depth of water through which it passes.Select your answer based on the coding system given below:

A is false but R is true.
Both A and R are true but R is not the correct explanation of A.
Both A and R are true and R is correct explanation of A.
A is true but R is false.

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Docks and Harbor Engineering
The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock

(iii) and (iv) are correct
(i) and (ii) are correct
(i) and (iii) are correct
(ii) and (iv) are correct

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