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

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

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

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