Littoral drift________. - Docks and Harbours Quiz

Civil Engineering : Docks and Harbours - Quiz(MCQ)

Littoral drift________.

is a current parallel to the shore, caused due to tangential component of the wind

is the raised line of sand, parallel to the sea coast

is the slow movement of surface water at sea caused by the wind

is a current perpendicular to the shore line caused due to wind

Correct Answer : is a current parallel to the shore, caused due to tangential component of the wind

Recently Updated in Docks and Harbours Questions

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 high water level

1.2 H to 1.25 H above the datum

1.2 H to 1.25 H above the mean sea level

1.2 H to 1.25 H above the low water level

Correct Answer : Option (A) : 1.2 H to 1.25 H above the high water level

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

(ii) and (iv) are correct

(iii) and (iv) are correct

(i) and (iii) are correct

Correct Answer : Option (C) : (iii) and (iv) are correct

If F is the fetch, the straight line distance of open water available in kilometres, the height of the wave in metres is_______.

0.15 âˆšF

0.20 âˆšF

0.34 âˆšF

0.42 âˆšF

Correct Answer : Option (C) : 0.34 âˆšF