Docks and Harbor Engineering
When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called

Surf
Clapotis
Swell
Fetch

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

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Docks and Harbor Engineering
In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel + 10% clearance between adjacent vessels
The length of design vessel
Twice the length of design vessel
The length of design vessel + 20% clearance between adjacent vessels

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

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

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