Port and Harbour Engineering (3170623) MCQs

MCQs of Port Planning

Showing 11 to 20 out of 31 Questions
11.
The height of a ship's side between the waterline and the deck is known as _____________.
(a) Portboard
(b) Freeboard
(c) Beam
(d) None
Answer:

Option (b)

12.
Assertion A: Depth & Width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. Select the correct option.
(a) Both A & R are true and R is the correct explanation of A.
(b) Both A & R are 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.
Answer:

Option (a)

13.
The Stevenson's equation used to determine approximate wave height within the harbour is applicable to a distance of ____________, from the entrance and where the harbour is well protected by a vertical sea wall.
(a) 20 m
(b) 10 m
(c) 15 m
(d) 25 m
Answer:

Option (c)

14.
The width of entrance channel of medium sized harbour is _______________.
(a) 160m to 260m
(b) 100m to 160m
(c) 120m to 200m
(d) 260m to 300m
Answer:

Option (b)

15.
The minimum dimension of turning basin should not be less than _____________ the length of the largest ship.
(a) twice
(b) thrice
(c) quadrice
(d) none
Answer:

Option (a)

16.
The depth of the harbour is determined by the equation
(a) D' + (H/2) + D"
(b) D' + H + (D"/3)
(c) D' + (H/3) + D''
(d) (D'/2) + H + D"
Answer:

Option (c)

17.
The maximum harbour depth below the lowest water level is equal to (i) loaded draft + 1.5 m when the bottom is hard (ii) loaded draft + 1.8 m when the bottom is soft (iii) loaded draft + 1.2 m when the bottom is soft (iv) loaded draft + 1.8 m when the bottom is hard
(a) (iii) & (iv) are correct
(b) (i) & (ii) are correct
(c) (ii) & (iv) are correct
(d) (i) & (iii) are correct
Answer:

Option (a)

18.
_________________________ clearance under the keel is necessary to permit the navigation at the lowest water level when ships are fully loaded.
(a) 10 cm to 100 cm
(b) 30 cm to 50 cm
(c) 40 cm to 100 cm
(d) 50 cm to 120 cm
Answer:

Option (d)

19.
The location & extent of breakwater depends upon the ______________.
(a) Minimum size of harbour
(b) Direction of waves
(c) Configuration of the shore line
(d) All of the above
Answer:

Option (d)

20.
___________________ is the displacement tonnage minus light weight tonnage.
(a) Net tonnage
(b) Dead weight tonnage
(c) Gross tonnage
(d) None
Answer:

Option (b)

Showing 11 to 20 out of 31 Questions