Docks and Harbours Questions

• 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
• Pick up the correct statement from the following:
• The low water datum for a lake is defined as the surface of the lake when it is at elevation
• Pick up the correct statement from the following:
• In a wet dock system,
• Pick up the incorrect statement from the following: In a dry dock block made of hard wood,
• Buoys which support the cables to which vessels are attached are of
• Pick up the correct statement from the following:
• Which one of the following statements is not relevant to hydrographic survey :
• Which one of the following lines is used for tying a ship with a dock
• Which one of the following land marks on the coast line must be depicted on hydrographic maps?
• 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
• For location of soundings a range and one angle from the shore involves the following operations. Which one is correct?
• According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is
• The width of the entrances of the harbours is restricted to
• A lead line or sounding line
• Which one of the following statements is correct?
• Pick up the correct statement function following:
• The shape of docks and basins is generally kept
• The important component of a sea port is