In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as ________ ．A.Moderate galeB.Near galeC.Strong galeD.Whole gale
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as ________ ．
A.Moderate gale
B.Near gale
C.Strong gale
D.Whole gale
相关考题：
The bow thruster generally is ineffective at ______.A.over 3 knots headwayB.at any speed asternC.at any speed aheadD.over 1 knot sternway
Gale warnings are usually issued when winds of________8-9are expected.A.wind SpeedB.Air ForceC.wind VelocityD.Beaufort Foree
The numeral in the center of a wind rose circle on a pilot chart indicates the ______.A.total number of observationsB.average wind force on the Beaufort scaleC.average wind force in knotsD.percentage of calms
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should ______.A.remain on course and hold speedB.remain on course but slack the speedC.change course to put the wind on either beam and increase speedD.change course and put the stern to the wind
If the current and wind are in opposite directions，the sea surface represents ______.A.a greatly reduced wind speedB.a higher wind speed than what really existsC.a lower wind speed than what really existsD.more turbulent winds
A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should ______.A.remain on course and hold speedB.change course and put the stern to the windC.change course to put the wind on either beam and increase speedD.remain on course but slack the speed
An anemometer on a moving vessel measures ______.A.apparent wind speed onlyB.true wind speed and true wind directionC.true wind speed onlyD.apparent wind speed and true wind direction
Apparent wind speed blowing across a vessel under tow can be measured by a(n)______．A.barometerB.wind vaneC.anemometerD.Thermometer
BASHI: E TO SE 9-10. 500M IN HVY SQUALLY SHWRS AND TS. SEA 8-9M. SWELL SE 6-7M. From the above forecast, the wind in Beaufort Scale will be ______.A.STRONG GALE TO STORMB.GALE TO STRONG GALEC.NEAR GALE TO GALED.STRONG BREEZE TO NEAR GALE
In beaufort wind scale，sea state with moderate waves，taking longer form，many whitecaps and some spray，is named as______．A.Strong breezeB.Fresh breezeC.Strong galeD.Gale
单选题Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.AA backing windBA veering windCSustained gale force windsDA strong wind that maintains a constant speed and direction
单选题A fully loaded motor-propelled lifeboat must be capable of attaining a speed of at least（）.A3 knots in smooth waterB6 knots in smooth waterC3 knots in rough waterD6 knots in rough water
单选题On a clear，warm day，you notice the approach of a tall cumulus cloud. The cloud top has hard well defined edges and rain is falling from the dark lower edge. Should this cloud pass directly overhead（）.Ait will be preceded by a sudden increase in wind speedBit will be preceded by a sudden decrease in wind speedCthe wind speed will not change as it passesDthe wind will back rapidly to left in a counterclockwise direction as it passes
单选题The bow thruster generally is ineffective at（）.Aover 3 knots headwayBat any speed asternCat any speed aheadDover 1 knot sternway
单选题When winds of force reach 10-11 in Beaufort Scale，usually we call such winds as（）.AHurricaneBBreezeCStormDGale
单选题There is a fire aft aboard your vessel. To help fight the fire，you should（）.Aput the wind off either beamBhead the bow into the wind and decrease speedCput the stern into the wind and increase speedDput the stern into the wind and decrease speed
单选题The Beaufort scale is used to estimate the（）.AWind directionBPercentage of cloud coverCWind speedDBarometric pressure
单选题A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.Aremain on course and hold speedBchange course and put the stern to the windCchange course to put the wind on either beam and increase speedDremain on course but slack the speed
单选题A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.Aremain on course and hold speedBremain on course but slack the speedCchange course to put the wind on either beam and increase speedDchange course and put the stern to the wind
单选题An anemometer on a moving vessel measures（）.Aapparent wind speed onlyBtrue wind speed and true wind directionCtrue wind speed onlyDapparent wind speed and true wind direction
单选题Vessels must not “exceed” a speed of 8 knots in this area.（）.Asail atBexceptCproceed atDsteam over
单选题When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.AGaleBStormCHurricaneDTyphoon
单选题The numeral in the center of a wind rose circle on a pilot chart indicates the （）.Atotal number of observationsBaverage wind force on the Beaufort scaleCaverage wind force in knotsDpercentage of calms
单选题CAPE WEST WIND WEST TO SOUTHWEST 15 TO 20 KNOTS WEATHER SHOWERS.This description is likely to be under the heading of（）.AFORECASTBSTORM WARNINGCGENERAL SITUATIONDMAP ANALYSIS
单选题In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.AModerate galeBNear galeCStrong galeDWhole gale
单选题If the current and wind are in opposite directions，the sea surface represents（）.Aa greatly reduced wind speedBa higher wind speed than what really existsCa lower wind speed than what really existsDmore turbulent winds
单选题BASHI:E TO SE 9-10．500M IN HVY SQUALLY SHWRS AND TS．SEA 8-9M.SWELL SE 6-7M．From the above forecast，the wind in Beaufort Scale will be（）.ASTRONG GALE TO STORMBGALE TO STRONG GALECNEAR GALE TO GALEDSTRONG BREEZE TO NEAR GALE