(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
Related Mcqs:
- 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 a break water near the harbour entrance.
select the correct 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 - Which of the following is a fixed type mooring accessory ?
A. bollard
B. buoys
C. cables
D. anchors - Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area ?
A. sea walls, bulk heads and groynes
B. sea walls, bulk heads and revetments
C. sea walls, revetments and groynes
D. bulk heads, revetments and groynes - Which of the following structures protects the shore by trapping of littoral drift?
A. groynes
B. sea walls
C. revetments
D. moles - Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
A. when the dock is empty
B. when the dock is empty with the ship of maximum tonnage
C. when the dock is full of water
D. when the dock is dry and is under construction - Which of the following are repair docks ?
A. marine railways, dry docks, floating docks, wet docks
B. dry docks, wet docks, floating docks, lift docks
C. wet docks, floating docks, lift docks, marine railways
D. wet docks, lift docks, marine railways, dry docks - Which of the following type of sea walls results in greatest protection of shore structures?
A. vertical sea wall
B. sea wall with batter
C. stepped sea wall
D. sea wall with concave face - 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 - If H is the height of the wave expected, then the height of the breakwater is generally taken as______________________?
A. 1.2 H to 1.25 H above the datum
B. 1.2 H to 1.25 H above the low water level
C. 1.2 H to 1.25 H above the high water level
D. 1.2 H to 1.25 H above the mean sea level - 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 displacement light
select the correct statemens.A. i) and ii) are correct
B. ii) and iii) are correct
C. i) and iii) are correct
D. Only iii) is correct
