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

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP

Docks and Harbor Engineering
In a two lane channel, bottom width of channel is given by

(2 × Manoeuvring lane) + (2 × Bank clearance lane)
(2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)
Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane
Manoeuvring lane + (2 × Bank clearance lane)

ANSWER DOWNLOAD EXAMIANS APP