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
- (B) Pressure
head
- (C) Velocity
head
- (D) All
of the above
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