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 false but R is true.

A is true but R is false.

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

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

A is false but R is true.

A is true but R is false.

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

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

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Docks and Harbor Engineering
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

(ii) and (iv) are correct

(i) and (iii) are correct

(iii) and (iv) are correct

(i) and (ii) are correct

(ii) and (iv) are correct

(i) and (iii) are correct

(iii) and (iv) are correct

(i) and (ii) are correct

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Docks and Harbor Engineering
If H is the height of the wave expected, then the height of the breakwater is generally taken as

1.2 H to 1.25 H above the low water level

1.2 H to 1.25 H above the high water level

1.2 H to 1.25 H above the mean sea level

1.2 H to 1.25 H above the datum

1.2 H to 1.25 H above the low water level

1.2 H to 1.25 H above the high water level

1.2 H to 1.25 H above the mean sea level

1.2 H to 1.25 H above the datum

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Docks and Harbor Engineering
Which of the following structures protects the shore by trapping of littoral drift?

revetments

groynes

sea walls

moles

revetments

groynes

sea walls

moles

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Docks and Harbor Engineering
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.)

3.4 VF

1.5 VF

0.5 VF

0.34 VF

3.4 VF

1.5 VF

0.5 VF

0.34 VF

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Docks and Harbor Engineering
A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

Wet dock

Refuge dock

Dry dock

Floating dock

Wet dock

Refuge dock

Dry dock

Floating dock

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Docks and Harbor Engineering

Docks and Harbor Engineering 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

Docks and Harbor Engineering If H is the height of the wave expected, then the height of the breakwater is generally taken as

Docks and Harbor Engineering Which of the following structures protects the shore by trapping of littoral drift?

Docks and Harbor Engineering 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.)

Docks and Harbor Engineering A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

Docks and Harbor Engineering
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

Docks and Harbor Engineering
If H is the height of the wave expected, then the height of the breakwater is generally taken as

Docks and Harbor Engineering
Which of the following structures protects the shore by trapping of littoral drift?

Docks and Harbor Engineering
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.)

Docks and Harbor Engineering
A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.