Top 80+ Solved Dock and Harbour Engineering MCQ Questions Answer
Q. A ship is berthed in a chamber and lifted by principles of buoyancy, such a chamber is called.
a. Dry dock
b. Wet dock
c. Floating dock
d. Refuge dock
Q. Due to the impact of water wave on a sea shore structure
a. Hydrostatic pressure coupled with a strong momentary impact is caused
b. Vibrations are subjected
c. Internal pressure is developed
d. All of the above
Q. Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passesSelect your answer based on the coding system given below:
a. Both A and R is true and R is correct explanation of A
b. Both A and R is true but R is not the correct explanation of A
c. A is true but R is false
d. A is false but R is true
Q. Surf zone is:
a. The fathom line of 10 m depth
b. The fathom line of 5 m depth
c. The swell of the sea breaking on the shore or reefs
d. The coast line attacked by the waves
Q. Assertion A: Basin walls have to be of much greater height than dock walls.Reason R: Tidal basins are subject to fluctuations of levels due to tidal variationsSelect your answer based on the coding system given below:
a. Both A and R is true and R is the correct explanation of A
b. Both A and R is true but R is not correct explanation of A
c. A is true but R is false
d. A is false but R is true
Q. Which of the following structures protects the shore by trapping of littoral drift?
a. Groynes
b. Sea walls
c. Revetments
d. Moles
Q. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be
a. 2.073 m
b. 8.169 m
c. 9.144 m
d. 6.8 m
Q. Pick up the correct statement from the following:
a. Spring tides are caused at new and full moon
b. Neap tides are caused when the moon is in her quarters
c. Spring tides are roughly twice the height of neap tides
d. All of the above
Q. Which of the following is a fixed type mooring accessory?
a. Bollard
b. Buoys
c. Cables
d. Anchors
Q. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is
a. 5.5 and 6.0 to 1
b. 6.2 and 6.8 to 1
c. 7.4 and 7.8 to 1
d. 8.2 and 8.5 to 1
Q. 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 break water near the harbour entrance. Of the statements
a. (i) and (ii) are correct
b. (ii) and (iii) are correct
c. (i) and (iii) are correct
d. (i), (ii) and (iii) are correct
Q. Pick up the correct statement from the following:
a. For nautical purposes, low water level is generally referred to by the navigators
b. The depth of the bed of the sea from the surface of water is called sounding
c. The contour lines on the bed of a water body are called fathoms
d. All the above
Q. 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 rockOf these statements
a. (i) and (ii) are correct
b. (i) and (iii) are correct
c. (ii) and (iv) are correct
d. (iii) and (iv) are correct