Which of the following is a fixed type mooring accessory ?
Which of the following is a fixed type mooring accessory ?
A. bollard
B. buoys
C. cables
D. anchors
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By increasing the rise of lockgates_______________?
By increasing the rise of lockgates_______________?(i) the length of the lock gate will increase
(ii) transverse stress due to water pressure on the gate will increase
(iii) compressive force on the gate will increase
select the correct statements?
A. (i) and (ii) are correct
B. (i) and (iii) are correct
C. Only (ii) is correct
D. Only (iii) is correctAssertion A : Basin walls have to be of much grater height than dock walls. Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations?
Assertion A : Basin walls have to be of much grater height than dock walls. Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations?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 correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.In multiple point mooring system, vessel is secured to minimum of____________________?
In multiple point mooring system, vessel is secured to minimum of____________________?A. two points
B. four points
C. six points
D. eight pointsA ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called_________________?
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 dockAssertion 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__________________?
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.Which of the following are repair docks ?
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