Practice Test: Question Set - 02
1. Pick up the correct statement from the following:
- (A) The
regular periodic rise and fall of the surface of the sea, is called tide
- (B) The average
difference in water level between high tide and low tide at a place, is called
tidal range
- (C) The
movement of water caused by the action of tide, is called a tidal current
- (D) All of the
above
2. The significant wave height is defined is the average height of the
- (A) One-third highest waves
- (B) One-fourth highest waves
- (C) One-fifth highest waves
- (D) One-tenth highest waves
3. The fixed mooring does not require
- (A) Mooring post
- (B) Bollard
- (C) Anchors
- (D) Capstan
4. A ship is berthed in a chamber and lifted by principles of buoyancy, such a chamber is called.
- (A) Dry dock
- (B) Wet dock
- (C) Floating dock
- (D) Refuge dock
5. Due to the impact of water wave on a sea shore structure
- (A) Hydrostatic
pressure coupled with a strong momentary impact is caused
- (B) Vibrations
are subjected
- (C) Internal
pressure is developed
- (D) All
of the above
6. Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section.
Reason R: No wave can have a height greater
than the depth of water through which it passes
Select your answer based on the coding
system given below:
- (A) Both A and R is true and R is correct
explanation of A
- (B) Both A and R is true but R is not the
correct explanation of A
- (C) A is true but R is false
- (D) A is false but R is true
7. Surf zone is:
- (A) The fathom
line of 10 m depth
- (B) The fathom
line of 5 m depth
- (C) The swell of
the sea breaking on the shore or reefs
- (D) The coast
line attacked by the waves
8. Assertion A: Basin walls have to be of much greater height than dock walls.
Reason R: Tidal basins are subject to
fluctuations of levels due to tidal variations
Select your answer based on the coding
system given below:
- (A) Both A and R is true and R is the correct
explanation of A
- (B) Both A and R is true but R is not correct
explanation of A
- (C) A is true but R is false
- (D) A is false but R is true
9. Pick up the correct statement from the following:
- (A) A
harbour without any port complex, is called a refuge harbour
- (B) A harbour
used for fishery, is called fishery
harbour
- (C) The
terminal building of a commercial harbour consists of an administrative block,
customs clearance and ware-houses
- (D) All the
above
10. Which of the following structures protects the shore by trapping of littoral drift?
- (A) Groynes
- (B) Sea walls
- (C) Revetments
- (D) Moles
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