Docks and Harbor Engineering
Which of the following type of sea walls results in greatest protection of shore structures?

stepped sea wall
sea wall with concave face
sea wall with batter
vertical sea wall

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Docks and Harbor Engineering
Assertion A : Marine structures are made specially bulky and strong.Reason R : Sea insects result in undermining of the hardest and the soundest building material.Select your answer based on the coding system given below:

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

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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:

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

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