A slow，gradual fall of the barometer indicates approaching ______.A.gale force winds within 12 hoursB.blizzard conditionsC.deteriorating or unsettled weatherD.heavy，wind driven rain
A slow，gradual fall of the barometer indicates approaching ______.
A.gale force winds within 12 hours
B.blizzard conditions
C.deteriorating or unsettled weather
D.heavy，wind driven rain
相关考题：
This forecast states that winds will______.A. slow down at nightB. be from south to eastC. bring heavy rain on SundayD. be from different directions
A rapid rise or fall of the barometer indicates ______.A.heavy rain within six hoursB.a decrease in wind velocityC.a change in the present weather conditionsD.that fog will soon set in
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 vessel entering the eye of a hurricane should expect ______.A.moderating winds and heavy confused seas to strike his vessel from all directionsB.the winds to increase to hurricane force and strike from a different direction as the eye passesC.the barometer to reach the lowest pointD.All of the above
______ are experienced in temperate latitudes during warm summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline．A.Trade WindsB.Winds of the temperate zonesC.MonsoonsD.Land and Sea Breezes
You are located within a stationary high pressure area．Your aneroid barometer is falling very slowly．This indicates a（n）______．A.Wind shift of 180°B.Large increase in wind velocityC.Decrease in the intensity of the systemD.Increase in the intensity of the system
On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put ______．A.full aheadB.full asternC.half aheadD.slow astern
A barometer showing falling pressure indicates the approach of a ______.A.high pressure systemB.low pressure systemC.high dew pointD.low dew point
Hurricane warnings are issued ______ when winds of force 12 or above are expected.A.in all parts of the worldB.in some parts of the worldC.from all corners of the worldD.from every corner of the world
If a hurricane several hundred miles away is moving in your general direction your barometer would ______.A.start to rise rapidlyB.start to fall gradullyC.rise slowly, begin “pumping” and then start a slow, steady fallD.remain steady
单选题Winds expected to（）Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.AgetBachieveCattainDreach
单选题A vessel entering the eye of a hurricane should expect（）.Amoderating winds and heavy confused seas to strike his vessel from all directionsBthe winds to increase to hurricane force and strike from a different direction as the eye passesCthe barometer to reach the lowest pointDAll of the above
单选题Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.AExpect to see cirrus clouds followed by altostratus and nimbostratus cloudsBAlter course to remain in the navigable semicircleCPrepare for gusty winds，thunderstorms，and a sudden wind shiftDExpect clear weather，with steady winds and pressure，until the front passes
单选题Gale warnings are usually issued when winds of（）8-9 are expected．Awind SpeedBAir ForceCwind VelocityDBeaufort Force
单选题A barometer showing falling pressure indicates the approach of a（）.Ahigh pressure systemBlow pressure systemChigh dew pointDlow dew point
单选题When winds of force reach 10-11 in Beaufort Scale，usually we call such winds as（）.AHurricaneBBreezeCStormDGale
单选题（）generally indicates that a gale or storm is approaching.AFalling barometric pressureBRising barometric pressureCThe circulations of windsDThe change of wind direction
单选题If a hurricane several hundred miles away is moving in your general direction your barometer would（）.Astart to rise rapidlyBstart to fall graduallyCrise slowly,begin pumping and then start a slow,steady fallDremain steady
单选题The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.APressure gradientBCoriolis effectCAurora borealisDBallistic deflection
单选题Hurricane warnings are issued（）when winds of force 12 or above are expected.Ain all parts of the worldBin some parts of the worldCfrom all corners of the worldDfrom every corner of the world
单选题A rapid rise or fall of the barometer indicates（）.Aheavy rain within six hoursBa decrease in wind velocityCa change in the present weather conditionsDthat fog will soon set in
单选题When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.AGaleBStormCHurricaneDTyphoon
单选题Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.AA vessel towedBA vessel not under command and unable to maneuverCA vessel anchored giving warning of her positionDA vessel stopped dead in the water
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My vessel（）bad weather with winds reaching force 9 on her way home.AencounteredBfacedCfoundDmet
单选题What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.AHuge waves approaching from all directions，clearing skies，light winds，and an extremely low barometerBFlat calm seas，heavy rain，light winds，and an extremely low barometerCFlat calm seas，heavy rain，light winds，and high pressureDHuge waves approaching from all directions，clearing skies，light winds，and high pressure
单选题A slow，gradual fall of the barometer indicates approaching（）.Agale force winds within 12 hoursBblizzard conditionsCdeteriorating or unsettled weatherDheavy，wind driven rain