Dock And Harbour Engineering Set 3

Civil Engineering

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This set of Dock and Harbour Engineering Multiple Choice Questions & Answers (MCQs) focuses on Dock And Harbour Engineering Set 3

Q1 | In tropical regions,
  • The surface gets heated more effectively than the arctic areas
  • After heating, the air becomes lighter and is displaced by cool air from the polar regions
  • The rising tropical air flows towards the polar region in the upper strata
  • All of the above
Answer: All of the above
Q2 | Buoys which support the cables to which vessels are attached are of
  • Cylindrical shape
  • Pear shaped
  • Spherical shape
  • All of these
Answer: All of these
Q3 | 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 displacementlight Of these statements
  • i) and ii) are correct
  • ii) and iii) are correct
  • i) and iii) are correct
  • Only iii) is correct
Answer: i) and iii) are correct
Q4 | The width of the entrances of the harbours is restricted to
  • 100 m
  • 125 m
  • 150 m
  • 180 m
Answer: 180 m
Q5 | If H is the height of the wave expected, then the height of the breakwater is generally taken as
  • 1.2 H to 1.25 H above the datum
  • 1.2 H to 1.25 H above the low water level
  • 1.2 H to 1.25 H above the high water level
  • 1.2 H to 1.25 H above the mean sea level
Answer: 1.2 H to 1.25 H above the high water level
Q6 | Littoral drift
  • Is the raised line of sand, parallel to the sea coast
  • Is the slow movement of surface water at sea caused by the wind
  • Is a current parallel to the shore, caused due to tangential component of the wind
  • Is a current perpendicular to the shore line caused due to wind
Answer: Is a current parallel to the shore, caused due to tangential component of the wind
Q7 | Which one of the following statements is not relevant to hydrographic survey?
  • Establishment of a chain of bench marks near the shore line
  • Establishment of horizontal control points on the shore
  • Determination of the sea bed profile
  • None of these
Answer: None of these
Q8 | Pick up the correct statement from the following:
  • The breakwater which can be used as a platform for loading and unloading of cargo is called a mole
  • The brick masonry retaining wall which is used for loading and unloading of cargo is called quay wall
  • Three types of break waters are generally provided in harbours
  • All of the above
Answer: All of the above
Q9 | Pick up the correct statement from the following:
  • The Mediterranean Sea is considered to be a huge harbour
  • The Caspian Sea is considered to be a big harbour
  • The Red sea is considered to be harbour
  • None of the above
Answer: The Mediterranean Sea is considered to be a huge harbour
Q10 | For large vessels, the buoys are strengthened by connecting it to a number of anchors having
  • One legged mooring
  • Two legged mooring
  • Three legged mooring
  • All the types as above
Answer: All the types as above
Q11 | Flow of air from one place to the other is caused due to
  • The sum of elevation
  • Pressure head
  • Velocity head
  • All of the above
Answer: All of the above
Q12 | A lead line or sounding line
  • Is stretched thoroughly when wet before it is graduated
  • Should be soaked in water for about one hour prior to taking soundings
  • Is adjusted at regular interval
  • All the above
Answer: All the above
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