Docks and Harbor Engineering
As compared to wall type breakwater, mound type breakwater

Requires low maintenance cost
Requires less material
Results in less damage due to gradual failure
Requires skilled labor

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

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

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