## Docks and Harbor Engineering Consider the following statements.(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,(ii) Slip is the space of water area between two adjacent piers where ships are berthed,(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. Of the statements

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

## 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

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

## 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

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

## Docks and Harbor Engineering Assertion A : Basin walls have to be of much grater height than dock walls.Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations.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 correct explanation of A.
A is true but R is false.
Both A and R are true and R is the correct explanation of A.

## Docks and Harbor Engineering If â€˜Hsâ€™ is the significant wave height, then the average wave height and highest wave height respectively are given by

1.27 Hs and 1.67 Hs
0.6 Hs and 1.87 Hs
1.27 Hs and 1.87 Hs
0.6 Hs and 1.67 Hs