Two points
Four points
Six points
Eight points

## Docks and Harbor Engineering By increasing the rise of lock-gates, (i) The length of the lock gate will increase (ii) Transverse stress due to water pressure on the gate will increase (iii) Compressive force on the gate will increase

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

## 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

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

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

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