DOCKS AND HARBOR ENGINEERING QUIZ

dry docks, wet docks, floating docks, lift docks

wet docks, lift docks, marine railways, dry docks

wet docks, floating docks, lift docks, marine railways

marine railways, dry docks, floating docks, wet docks

Mean rise

Mean range

Maximum range

Maximum rise

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

one – third highest waves

one – fourth highest waves

one – fifth highest waves

one – tenth highest waves

(i) and (iii) are correct

(i) and (ii) are correct

(ii) and (iii) are correct

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

Depth

Draft

Beam

Free-board

When the dock is dry and is under construction

When the dock is full of water

When the dock is empty

When the dock is empty with the ship of maximum tonnage

vertical sea wall

sea wall with batter

sea wall with concave face

stepped sea wall

B or 30 m

50 m

1.5 B

1.5 B or 50 m

Only (ii) is correct

(i) and (iii) are correct

Only (iii) is correct

(i) and (ii) are correct