## Docks and Harbor Engineering In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel + 10% clearance between adjacent vessels
The length of design vessel
The length of design vessel + 20% clearance between adjacent vessels
Twice the length of design vessel

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

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

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

4.0 L
1 L
1.5 L
2.0 L

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

## Docks and Harbor Engineering A ship strikes the berth generally at an angle

45° with the face of the dock
30° with the face of the dock
90° with the face of the dock
10° with the face of the dock