In basins subjected to strong winds and tide, the length of the berthing area should not be less than
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Civil Engineering · all questionsDocks And Harbor Engineering
Docks And Harbor Engineering
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When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as
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Consider the following statements in regard to Beaufort scale for wind speeds,
(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest
Of these statements
(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest
Of these statements
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Dead weight tonnage of a ship
(i) varies with latitude and season
(ii) is more than displacement tonnage
(iii) is the difference between displacement load and displacement light
Of these statements
(i) varies with latitude and season
(ii) is more than displacement tonnage
(iii) is the difference between displacement load and displacement light
Of these statements
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The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be
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Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?
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The significant wave height is defined is the average height of the
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In a two lane channel, bottom width of channel is given by
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Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
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By increasing the rise of lock-gates,
(i) The length of the lock gate will increase
(ii) Transverse stress due to water pressure on the gate will increase
(iii) Compressive force on the gate will increase
(i) The length of the lock gate will increase
(ii) Transverse stress due to water pressure on the gate will increase
(iii) Compressive force on the gate will increase
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For designing the dock, the proportion of ship load assumed to be borne by keel blocks is
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As compared to wall type breakwater, mound type breakwater
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The maximum harbour depth below lowest low water is generally equal to
(i) loaded draft + 1.2 m when bottom is rock
(ii) loaded draft + 1.8 m when bottom is soft
(iii) loaded draft + 1.2 m when bottom is soft
(iv) loaded draft + 1.8 m when bottom is rock
(i) loaded draft + 1.2 m when bottom is rock
(ii) loaded draft + 1.8 m when bottom is soft
(iii) loaded draft + 1.2 m when bottom is soft
(iv) loaded draft + 1.8 m when bottom is rock
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If H is the height of the wave expected, then the height of the breakwater is generally taken as
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Which of the following structures protects the shore by trapping of littoral drift?
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A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.
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Minimum width of ship clearance shall be (where “B” is beam of the design vessel)
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As per Berlin's formula, the length of wave in meters is given by
(Where 't' is the period in seconds for two successive waves to pass the same section.)
(Where 't' is the period in seconds for two successive waves to pass the same section.)
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The most popular method of construction of wall breakwaters is
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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
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