Docks and Harbor Engineering
If H is the height of the wave expected, then the height of the breakwater is generally taken as

1.2 H to 1.25 H above the low water level
1.2 H to 1.25 H above the datum
1.2 H to 1.25 H above the high water level
1.2 H to 1.25 H above the mean sea level

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP