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Civil Engineering
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Docks and Harbours
Comments
Question
The width of the entrances of the harbours is restricted to
Options
A. 100 m
B. 125 m
C. 150 m
D. 180 m
Correct Answer
180 m
Docks and Harbours problems
Search Results
1. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is
Options
A. 5.5 and 6.0 to 1
B. 6.2 and 6.8 to 1
C. 7.4 and 7.8 to 1
D. 8.2 and 8.5 to 1
Show Answer
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Discuss
Correct Answer: 7.4 and 7.8 to 1
2. For location of soundings a range and one angle from the shore involves the following operations. Which one is correct?
Options
A. A range line is established
B. The first and the last soundings and every tenth soundings are fixed by angular observations
C. The intermediate soundings are fixed by the time intervals
D. All the above.
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Correct Answer: All the above.
3. If
h
and
h
1
are the heights of a light house and the observer in a ship in metres above M S L then the horizontal distance from the ship to the light house in kilometres is
Options
A. 3.86 (
h
+
h
1
)
B. 3.86 (
h
-
h
1
)
C. 3.86 (
h
x
h
1
)
D. 3.86 ? (
h
+
h
1
)
Show Answer
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Discuss
Correct Answer: 3.86 (
h
+
h
1
)
4. Which one of the following land marks on the coast line must be depicted on hydrographic maps?
Options
A. shore line
B. light houses
C. church spires
D. all the above.
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Correct Answer: all the above.
5. Which one of the following lines is used for tying a ship with a dock
Options
A. bow line
B. stern line
C. spring line
D. break line
E. all of these.
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Correct Answer: all of these.
6. A lead line or sounding line
Options
A. is stretched thoroughly when wet before it is graduated
B. should be soaked in water for about one hour prior to taking soundings
C. is adjusted at regular interval
D. is generally used for depths exceeding 6 m
E. all the above.
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Correct Answer: all the above.
7. Which one of the following statements is correct?
Options
A. The soundings are made with respect to the mean low water
B. The soundings which are below the datum are written in black on the map
C. The spot heights of the features above datum are written in red on the map
D. The decimal point of the sounding value is at the exact position of the sounding
E. All the above.
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Correct Answer: All the above.
8. Pick up the correct statement function following:
Options
A. The coarse material which has a smaller angle of repose, causes a steeper beach slope
B. The coarse material which has a greater angle of repose, causes a steeper beach slope
C. The flattening out of the beach is caused due to the movement of small and uniform particles leeward.
D. both (b) and (c).
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Correct Answer: both (b) and (c).
9. The shape of docks and basins is generally kept
Options
A. rectangular ways
B. diamond shape guays
C. inclined gauys
D. all of these.
Show Answer
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Correct Answer: all of these.
10. The important component of a sea port is
Options
A. terminal buildings
B. the docks
C. the harbour
D. all of these.
Show Answer
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Correct Answer: all of these.
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