DOCKS AND HARBOR ENGINEERING QUIZ

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), (ii) and (iii) are correct

(i) and (ii) are correct

(i) and (iii) are correct

(ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

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 (ii) is correct

(i) and (ii) are correct

(i) and (iii) are correct

Only (iii) is correct

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(ii) and (iii) are correct

(i) and (ii) are correct

(i) and (iii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as

Depth

Free-board

Draft

Beam

TRUE ANSWER : ?
YOUR ANSWER : ?

The most popular method of construction of wall breakwaters is

Staging method

Barge method

Low level method

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.7412

1.9412

1.5612

1.3412

TRUE ANSWER : ?
YOUR ANSWER : ?

If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

0.6 Hs and 1.87 Hs

0.6 Hs and 1.67 Hs

1.27 Hs and 1.87 Hs

1.27 Hs and 1.67 Hs

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1 L

2.0 L

4.0 L

1.5 L

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 true but R is false.

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 false but R is true.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following type of sea walls results in greatest protection of shore structures?

stepped sea wall

vertical sea wall

sea wall with batter

sea wall with concave face

TRUE ANSWER : ?
YOUR ANSWER : ?

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