Harbour and Dock Engineering Online Practice - Set 07 - ObjectiveBooks

# Practice Test: Question Set - 07

1. The shape of docks and basins is generally kept
(A) Rectangular ways
(B) Diamond shape ways
(C) Inclined ways
(D) All of these

2. The width of the entrances of the harbours is restricted to
(A) 100 m
(B) 125 m
(C) 150 m
(D) 180 m

3. The beach is built:
(A) With largest material locally available to the waves
(B) With large material locally available to the waves
(C) With fine material locally available to the waves
(D) With finest material locally available to the waves

4. If H is the height of the wave expected, then the height of the breakwater is generally taken as
(A) 1.2 H to 1.25 H above the datum
(B) 1.2 H to 1.25 H above the low water level
(C) 1.2 H to 1.25 H above the high water level
(D) 1.2 H to 1.25 H above the mean sea level

5. Littoral drift
(A) Is the raised line of sand, parallel to the sea coast
(B) Is the slow movement of surface water at sea caused by the wind
(C) Is a current parallel to the shore, caused due to tangential component of the wind
(D) Is a current perpendicular to the shore line caused due to wind

6. Which one of the following statements is not relevant to hydrographic survey?
(A) Establishment of a chain of bench marks near the shore line
(B) Establishment of horizontal control points on the shore
(C) Determination of the sea bed profile
(D) None of these

7. Pick up the correct statement from the following:
(A) The breakwater which can be used as a platform for loading and unloading of cargo is called a mole
(B) The brick masonry retaining wall which is used for loading and unloading of cargo is called quay wall
(C) Three types of break waters are generally provided in harbours
(D) All of the above

8. Pick up the correct statement from the following:
(A) The Mediterranean Sea is considered to be a huge harbour
(B) The Caspian Sea is considered to be a big harbour
(C) The Red sea is considered to be harbour
(D) None of the above

9. For large vessels, the buoys are strengthened by connecting it to a number of anchors having
(A) One legged mooring
(B) Two legged mooring
(C) Three legged mooring
(D) All the types as above

10. Flow of air from one place to the other is caused due to
(A) The sum of elevation