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 batter
sea wall with concave face
vertical sea wall

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Docks and Harbor Engineering
Assertion A : Large size stones are required in stone revetment in shore protection.Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone.Select your answer based on the coding system given below.

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

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