For an accurate barometer check, you would ______.A.check it with a barometer on another vesselB.take readings from several barometers and average themC.check it with the barometer at the ship chandleryD.check it against radio or National Weather Service reports of the immediate vicinity
For an accurate barometer check, you would ______.
A.check it with a barometer on another vessel
B.take readings from several barometers and average them
C.check it with the barometer at the ship chandlery
D.check it against radio or National Weather Service reports of the immediate vicinity
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The purpose of the "set" hand on an aneroid barometer is to ______.A.adjust the barometerB.indicate any change in the reading of the barometerC.provide a correction for height above sea levelD.provide a correction for temperature changes
A mercurial barometer at sea is subject to rapid variations in height ("pumping") due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n) ______.A.syphon barometerB.cistern barometerC.aneroid barometerD.fortin barometer
You should log all barometer readings taken at sea ______.A.regularlyB.at least once during each watchC.more often under changeable weather conditionsD.All of the above
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
Barometer readings in weather reports are given in terms of pressure at ______.A.sea levelB.China SeaC.the weather stationD.the broadcasting station
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A barometer showing falling pressure indicates the approach of a（）.Ahigh pressure systemBlow pressure systemChigh dew pointDlow dew point
单选题An aneroid barometer reading should be corrected for differences in（）.AelevationBtemperatureCwind speedDlatitude
单选题Prior to reading an aneroid barometer，you should tap the face lightly with your finger to（）.Aexpose any loose connectionsBdemagnetize the metal elementsCbring the pointer to its true positionDcontract and expand the glass face
单选题The purpose of the “set” hand on an aneroid barometer is to（）.Aadjust the barometerBindicate any change in the reading of the barometerCprovide a correction for height above sea levelDprovide a correction for temperature changes
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An instrument useful in predicting fog is the（）.Asling psychrometerBmicrobarographCanemometerDaneroid barometer
单选题For an accurate barometer check，you would（）.Acheck it with a barometer on another vesselBtake readings from several barometers and average themCcheck it with the barometer at the ship chandleryDcheck it against radio or National Weather Service reports of the immediate vicinity
单选题As a high pressure system approaches，the barometer reading（）.Astays the sameBfallsCrisesDfalls rapidly
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A mercurial barometer at sea is subject to rapid variations in height (“pumping”) due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n)（）.Asyphon barometerBcistern barometerCaneroid barometerDfortin barometer
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