DOCKS AND HARBOR ENGINEERING QUIZ

The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock

(i) and (ii) are correct

(i) and (iii) are correct

(ii) and (iv) are correct

(iii) and (iv) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

0.34 VF

0.5 VF

3.4 VF

1.5 VF

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements

(i) and (ii) are correct

(i) and (iii) are correct

(ii) and (iii) are correct

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

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 but R is not a correct explanation of

Both A and R are true and R is the correct explanation of

A is false but R is true.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

The difference in height between highest high water and lowest low water is called

Maximum rise

Mean rise

Mean range

Maximum range

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.)

1.5612

1.3412

1.9412

1.7412

TRUE ANSWER : ?
YOUR ANSWER : ?

If ‘Hs’ 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

1.27 Hs and 1.87 Hs

0.6 Hs and 1.87 Hs

0.6 Hs and 1.67 Hs

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

Only (iii) is correct

(i) and (ii) are correct

(i) and (iii) are correct

(ii) and (iii) are correct

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 (ii) are correct

(ii) and (iii) are correct

(i) and (iii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock

As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements

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.

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

The difference in height between highest high water and lowest low water is called

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.)

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

Dead weight tonnage of a ship<br/>(i) varies with latitude and season<br/>(ii) is more than displacement tonnage<br/>(iii) is the difference between displacement load and displacement light of these statements