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

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

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Docks and Harbor Engineering
Which of the following are repair docks ?

marine railways, dry docks, floating docks, wet docks
wet docks, lift docks, marine railways, dry docks
wet docks, floating docks, lift docks, marine railways
dry docks, wet docks, floating docks, lift docks

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

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