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Docks and Harbor Engineering

Docks and Harbor Engineering
The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be

1.5 L
1 L
4.0 L
2.0 L

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Docks and Harbor Engineering
As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.9412
1.5612
1.7412
1.3412

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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
Swell
Fetch
Clapotis

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Docks and Harbor Engineering
When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as

Free-board
Depth
Draft
Beam

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Docks and Harbor Engineering
The difference in height between highest high water and lowest low water is called

Maximum range
Mean rise
Mean range
Maximum rise

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

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

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