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.Management Sciences
Category: Dock and Harbor Engineering
In multiple point mooring system, vessel is secured to minimum of____________________?
A. two points
B. four points
C. six points
D. eight points
Minimum width of ship clearance shall be__________________?
A. B or 30 m
B. 1.5 B or 50 m
C. 1.5 B
D. 50 m
where “B” is beam of the design vessel
Assertion A : Depth and 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 your answer based on the coding system given below.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and 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.
The difference in height between highest high water and lowest low water is called_______________?
A. mean range
B. maximum range
C. maximum rise
D. mean rise
The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?
A. L
B. 1.5 L
C. 2.0 L
D. 4.0 L
where L is the length of the largest ship to use the port
Which of the following structures protects the shore by trapping of littoral drift?
A. groynes
B. sea walls
C. revetments
D. moles
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
select the correct statments.
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
As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by__________________?
A. 0.34 VF
B. 0.5 VF
C. 1.5 VF
D. 3.4 VF
where F is the fetch in km
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