Following are some of the multiple choice questions on the
Docks and Harbor Engineering with answers that will help the students in developing their knowledge. Docks and Harbor Engineering MCQ
1. Which of the following are repair docks ?
marine railways, dry docks, floating docks, wet docks
dry docks, wet docks, floating docks, lift docks
wet docks, floating docks, lift docks, marine railways
wet docks, lift docks, marine railways, dry docks
2. A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.
3. Which of the following is a fixed type mooring accessory ?
4. Pick up the correct statement function following:
5. Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
6. The difference in height between highest high water and lowest low water is called
7. Which of the following type of sea walls results in greatest protection of shore structures?
8. A ship strikes the berth generally at an angle
9. The most popular method of construction of wall breakwaters is
10. Which of the following structures protects the shore by trapping of littoral drift?
11. The significant wave height is defined is the average height of the
12. Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?
13. The width of the entrances of the harbours is restricted to
14. In a wet dock system,
16. For location of soundings a range and one angle from the shore involves the following operations. Which one is correct ?
17. 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
18. Soundings are required for
19. Which one of the following lines is used for tying a ship with a dock
21. The dock wall is designed as a gravity retaining wall and is tested for
22. The shape of docks and basins is generally kept
23. The horizontal angles from the boat between A and B and B and C, the stations on the shore are respectively θ1 and θ2. The distances AB = L1 and BC = L2. For calculating the angle α2 at C between the boat and station B is obtained by using the following formula: where (β is horizontal angle between A and C at B).
24. Due to the impact of water wave on a sea shore structure
25. On a hydrographic map, the following feature is shown :
26. Pick up the incorrect statement from the following: In a dry dock block made of hard wood,
27. A harbour is a place where
28. P and Q are two stations on the shore line at distance d. If the angle between Q and the boat O and P is a and the angle between P and Q at boat O is β, the x and y. Coordinate along PQ and perpendicular to PQ from O are :
29. The low water datum for a lake is defined as the surface of the lake when it is at elevation
30. The fixed mooring does not require
32. The important component of a sea port is
33. Which one of the following statements is not relevant to hydrographic survey :
34. The shore line survey includes :
35. The smoothened surface of the front face of the guay walls, is known as fending which is made of
36. A lead line or sounding line
37. Which one of the following land marks on the coast line must be depicted on hydrographic maps ?
38. Depth of borings for soil investigation, is generally kept below low water level
39. The wavelength is computed by Bertin's formula (where T is the period in seconds).
41. The heaviest line is used to democrate
42. If F is the fetch, the straight line distance of open water available in kilometres, the height of the wave in metres is
43. A low wall built out into the sea more or less perpendicular to the coast line, to resist the travel of sand and shingle along a beach, is called
44. At a place the shore line is along North West-South East. The wind is blowing from the north. The littoral drift will be along
45. Flow of air from one place to the other is caused due to
46. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is
47. Buoys which support the cables to which vessels are attached are of
49. If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
50. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be
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