DOCKS AND HARBOR ENGINEERING QUIZ

The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be

2.0 L

1 L

1.5 L

4.0 L

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(ii) and (iii) are correct

(i) and (iii) are correct

(i) and (ii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?

Bulk heads, revetments and groynes

Sea walls, revetments and groynes

Sea walls, bulk heads and revetments

Sea walls, bulk heads and groynes

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

A is true but R is false.

A is false but R is true.

TRUE ANSWER : ?
YOUR ANSWER : ?

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.

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

A is true but R is false.

TRUE ANSWER : ?
YOUR ANSWER : ?

In multiple point mooring system, vessel is secured to minimum of

Two points

Four points

Six points

Eight points

TRUE ANSWER : ?
YOUR ANSWER : ?

By increasing the rise of lock-gates,<br/>(i) The length of the lock gate will increase<br/>(ii) Transverse stress due to water pressure on the gate will increase<br/>(iii) Compressive force on the gate will increase

Only (ii) is correct

(i) and (ii) are correct

Only (iii) is correct

(i) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

The most popular method of construction of wall breakwaters is

Low level method

None of these

Staging method

Barge method

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following structures protects the shore by trapping of littoral drift?

moles

groynes

sea walls

revetments

TRUE ANSWER : ?
YOUR ANSWER : ?

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.

TRUE ANSWER : ?
YOUR ANSWER : ?