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:

Docks and Harbor Engineering
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 true but R is false.

A is false but R is true.

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

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

A is true but R is false.

A is false but R is true.

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

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

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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.

A is true but R is false.

A is false but R is true.

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 true but R is false.

A is false but R is true.

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

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Docks and Harbor Engineering
In a two lane channel, bottom width of channel is given by

(2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)

(2 × Manoeuvring lane) + (2 × Bank clearance lane)

Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane

Manoeuvring lane + (2 × Bank clearance lane)

(2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)

(2 × Manoeuvring lane) + (2 × Bank clearance lane)

Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane

Manoeuvring lane + (2 × Bank clearance lane)

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Docks and Harbor Engineering
In basins subjected to strong winds and tide, the length of the berthing area should not be less than

Twice the length of design vessel

The length of design vessel

The length of design vessel + 20% clearance between adjacent vessels

The length of design vessel + 10% clearance between adjacent vessels

Twice the length of design vessel

The length of design vessel

The length of design vessel + 20% clearance between adjacent vessels

The length of design vessel + 10% clearance between adjacent vessels

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Docks and Harbor Engineering
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

5 m

4 m

7 m

2.5 m

5 m

4 m

7 m

2.5 m

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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

(ii) and (iii) are correct

(i) and (ii) are correct

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

(i) and (iii) are correct

(ii) and (iii) are correct

(i) and (ii) are correct

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

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Docks and Harbor Engineering

Docks and Harbor Engineering In a two lane channel, bottom width of channel is given by

Docks and Harbor Engineering In basins subjected to strong winds and tide, the length of the berthing area should not be less than

Docks and Harbor Engineering If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

Docks and Harbor Engineering
In a two lane channel, bottom width of channel is given by

Docks and Harbor Engineering
In basins subjected to strong winds and tide, the length of the berthing area should not be less than

Docks and Harbor Engineering
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be