DOCKS AND HARBOR ENGINEERING QUIZ

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

4.0 L

2.0 L

1 L

1.5 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

(i) and (iii) are correct

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

(i) and (ii) are correct

(ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements in regard to Beaufort scale for wind speeds,<br/>(i) The Beaufort number ranges from 1 to 12.<br/>(ii) Higher Beaufort number indicates higher speed of wind,<br/>(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

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.)

1.3412

1.5612

1.7412

1.9412

TRUE ANSWER : ?
YOUR ANSWER : ?

The most popular method of construction of wall breakwaters is

Barge method

Low level method

Staging method

None of these

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

Free-board

Beam

Depth

Draft

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(ii) and (iii) are correct

Only (iii) is correct

(i) and (iii) are correct

(i) and (ii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel.Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.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 the 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 : ?

A ship strikes the berth generally at an angle

90° with the face of the dock

30° with the face of the dock

10° with the face of the dock

45° with the face of the dock

TRUE ANSWER : ?
YOUR ANSWER : ?

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.

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

A is false but R is true.

TRUE ANSWER : ?
YOUR ANSWER : ?

↑