航海英语A类大副模拟卷(6)

航海英语A类大副模拟卷

41期甲类/丙类大副模拟考卷

B.the difference in tonnes between the displacement in salt water at summer load waterline

and the light weight of the vessel.

C.the cargoes in tonnes that can be loaded in a vessel at summer load water line.

D.the bale capacity in cu. metres of a vessel

53.The advantage of container transportation is to

A.provide the better working condition for stevedore and crew

B.take the advantage of cargo handling and keep a good maintenance of the vessel

C.standardize the size and package of the general cargo

D.reduce handling cost and damage of cargo and shorten the ship's turn round time in port

54.On a vessel, multiplying a load's weight by the distance of the load's center of gravity above

the baseline results in a(n) ___________.

A. transverse moment

B. vertical moment

C. righting moment

D. inclining moment

55.Keeping the draft at or below the load line mark will insure that the vessel has adequate

__________.

A. ballast

B. reserve buoyancy

C. displacement

D. rolling periods

56.Increasing the number of slack liquid tanks has the effect of raising the _______.

A. uncorrected KG

B. maximum allowed KG

C. virtual height of the center of gravity

D. metacentric height

57.GM cannot be used as an indicator of stability at all angles of inclination because _________.

A. M is not fixed at large angles

B. there is no M at large angles

C. G is not fixed at large angles

D. there is no G at large angles

58.Gasoline vapor tends to collect _________.

A.above the floor plates of the bilges

B.above the carburetor level

C.at the lowest point of the bilge areas

D.at no particular level

59.Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which

statement is true?

A.You must ventilate constantly and vigorously to combat ship sweat.

B.You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat.

C.There is danger of heavy cargo sweat if you ventilate.

D.There is little danger of any sweat problem.

60.You will load and carry a bulk cargo of sulphur at ambient temperature. Which statement is

true?

A.Wooden covers must be laid over the bilge wells to prevent the sulphur from entering

the bilges.

B.Bulk sulphur may be carried without a special permit providing the vessel complies with

all applicable regulations.

C.The major characteristic of this cargo is that it forms sulfuric acid upon contact with

water.

D.Other hazardous material may not be stowed in the same hold as the sulphur but may be

carried on deck above the hold.

61.Cargoes that might leak from containers are known as __________.

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