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 : Depth and width required at the entrance to a harbour are more than those required in the channel.Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.Select your answer based on the coding system given below:

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

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