單項(xiàng)選擇題

When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.

A.reduce the time the sounding tube is open
B.avoid creating a spark
C.lessen the effect of roll or pitch on the reading
D.lessen the effect of heave on the reading

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單項(xiàng)選擇題

When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.

A.reducing rolling
B.increasing rolling
C.reducing yawing
D.increasing yawing

單項(xiàng)選擇題

When preparing a ship for heavy weather，fuel oil day tanks should be（）.

A.pumped overboard to calm the seas
B.drained to the lower hull to reduce free surfaces
C.filled to ensure that sufficient fuel oil is available during a lengthy emergency
D.partially drained to increase free surfaces in order to reduce motions

When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.

你可能感興趣的試題

When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.

When preparing a ship for heavy weather，fuel oil day tanks should be（）.

When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.

When preparing a ship for heavy weather，fuel oil day tanks should be（）.