When winds of force reach 10-11 in Beaufort Scale,usually we call such winds as().
A、Hurricane
B、Breeze
C、Storm
D、Gale
A、Hurricane
B、Breeze
C、Storm
D、Gale
A、total number of observations B、average wind force on the Beaufort scale C、average wind force in knots D、percentage of calms
A、the center of the hydrodynamic forces acting on the underwater hull to resist the effect of the wind B、the point of influence of wind on the ship C、the pivot point D、the point on the ship's above-water structure upon which the whole force of the wind can be considered an act
A、in all parts of the world B、in some parts of the world C、from all corners of the world D、from every corner of the world
A、centers of buoyancy and gravity are in the same vertical line B、righting moment equals the wind-heeling moment C、downflooding point is below water D、deck-edge immersion occurs
A、direction the wind is blowing toward B、direction the wind is blowing from C、duration of the maximum gust of wind D、wind chill factor
A、selection of landmarks B、character of sea bottom C、strength of current and wind force D、radius of ship swing to wind or tide
A、A backing wind B、A veering wind C、Sustained gale force winds D、A strong wind that maintains a constant speed and direction