Docks and Harbours - Section 1 (4)

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Docks and Harbours - Section 1

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25.

Cretans :

A.	are the harbours established on the island south east of Greek mainland
B.	are the natives of crete, an island south of Greek mainland
C.	are the plants, grown in the neighbourhood of harbours
D.	none of the above.

Answer: Option B

Explanation:

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26.

The important component of a sea port is

A.	terminal buildings
B.	the docks
C.	the harbour
D.	all of these.

Answer: Option D

Explanation:

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27.

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.	depicting the irregularities in the shore line, islands and projecting rocks
E.	none of these.

Answer: Option E

Explanation:

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28.

The shore line survey includes :

A.	depicting the shore line
B.	depicting the prominent details on shore line
C.	depicting the high water line
D.	depicting the low water line
E.	all the above.

Answer: Option E

Explanation:

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29.

The smoothened surface of the front face of the guay walls, is known as fending which is made of

A.	granite stone
B.	timber
C.	steel
D.	all the above.

Answer: Option D

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30.

A lead line or sounding line

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.

Answer: Option E

Explanation:

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31.

Which one of the following land marks on the coast line must be depicted on hydrographic maps ?

A.	shore line
B.	light houses
C.	church spires
D.	all the above.

Answer: Option D

Explanation:

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32.

Depth of borings for soil investigation, is generally kept below low water level

A.	30 m
B.	35 m
C.	45 m
D.	40 m

Answer: Option C

Explanation:

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