# Civil Engineering - Docks and Harbours

### Exercise :: Docks and Harbours - Section 1

41.

If h and h1 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

 A. 3.86 (h + h1) B. 3.86 (h - h1) C. 3.86 (h x h1) D. 3.86 π (h + h1)

Explanation:

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42.

Pick up the correct statement from the following:

 A. The artificial barrier constructed to enclose "n area for safe anchorage, is called break water B. The smoothened surface at the top end of the vertical face of a guay wall, is called fending C. The effective berthing lengths of inclined guays can be adjusted D. All the above.

Explanation:

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43.

For location of soundings a range and one angle from the shore involves the following operations. Which one is correct ?

 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.

Explanation:

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44.

Pick up the correct statement from the following:

 A. the Mediterranean sea is considered to be a huge harbour B. the Caspean sea is considered to be a big harbour C. the Red sea is considered to be harbour D. none of the above.

Explanation:

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45.

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.