Maximum range
Mean range
Mean rise
Maximum rise

## Docks and Harbor Engineering Which of the following type of sea walls results in greatest protection of shore structures?

sea wall with concave face
stepped sea wall
sea wall with batter
vertical sea wall

## 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:

A is true but R is false.
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.

## Docks and Harbor Engineering Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements

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

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

## Docks and Harbor Engineering Dead weight tonnage of a ship(i) varies with latitude and season(ii) is more than displacement tonnage(iii) is the difference between displacement load and displacement light Of these statements

Only (iii) is correct
(ii) and (iii) are correct
(i) and (iii) are correct
(i) and (ii) are correct