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Civil Engineering

Docks And Harbor Engineering MCQs

Practice Docks And Harbor Engineering MCQs for competitive exams.

Docks And Harbor Engineering MCQs

Practice questions from this topic.

The difference in height between highest high water and lowest low water is called

  1. A. Mean range
  2. B. Maximum range
  3. C. Maximum rise
  4. D. Mean rise
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If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

  1. A. 0.6 Hs and 1.67 Hs
  2. B. 0.6 Hs and 1.87 Hs
  3. C. 1.27 Hs and 1.87 Hs
  4. D. 1.27 Hs and 1.67 Hs
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At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

  1. A. 2.073 m
  2. B. 8.169 m
  3. C. 9.144 m
  4. D. 6.8 m
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As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

  1. A. 0.34 VF
  2. B. 0.5 VF
  3. C. 1.5 VF
  4. D. 3.4 VF
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If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

  1. A. 2.5 m
  2. B. 4 m
  3. C. 5 m
  4. D. 7 m
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Which of the following type of sea walls results in greatest protection of shore structures?

  1. A. vertical sea wall
  2. B. sea wall with batter
  3. C. stepped sea wall
  4. D. sea wall with concave face
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In multiple point mooring system, vessel is secured to minimum of

  1. A. Two points
  2. B. Four points
  3. C. Six points
  4. D. Eight points
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Which of the following are repair docks ?

  1. A. marine railways, dry docks, floating docks, wet docks
  2. B. dry docks, wet docks, floating docks, lift docks
  3. C. wet docks, floating docks, lift docks, marine railways
  4. D. wet docks, lift docks, marine railways, dry docks
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A ship strikes the berth generally at an angle

  1. A. 90° with the face of the dock
  2. B. 45° with the face of the dock
  3. C. 30° with the face of the dock
  4. D. 10° with the face of the dock
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Which of the following is a fixed type mooring accessory ?

  1. A. bollard
  2. B. buoys
  3. C. cables
  4. D. anchors
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Consider the following statements. (i) Fender is the cushion provided on the face of the jetty for ships to come in contact, (ii) Slip is the space of water area between two adjacent piers where ships are berthed, (iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. Of the statements

  1. A. (i) and (ii) are correct
  2. B. (ii) and (iii) are correct
  3. C. (i) and (iii) are correct
  4. D. (i), (ii) and (iii) are correct
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When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called

  1. A. Surf
  2. B. Clapotis
  3. C. Fetch
  4. D. Swell
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