Docks and Harbor Engineering
The significant wave height is defined is the average height of the

one – fifth highest waves
one – third highest waves
one – fourth highest waves
one – tenth highest waves

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Docks and Harbor Engineering
The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock

(ii) and (iv) are correct
(i) and (iii) are correct
(iii) and (iv) are correct
(i) and (ii) are correct

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

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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.

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

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