A barometer showing falling pressure indicates the approach of a ______.A.high pressure systemB.low pressure systemC.high dew pointD.low dew point
A barometer showing falling pressure indicates the approach of a ______.
A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
相关考题:
Situations calling for a matrix organization include outside pressure for dual focus, _____ and pressure for high information processing capability.A . Pressure for clear accountabilityB . Pressure for reduced duplication of effortC . Pressure for shared resourcesD . Pressure for formalized communication
Cumulonimbus clouds are most likely to accompany a(n) ______.A.high pressure systemB.cold frontC.warm frontD.occluded front
If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause may be ______.A.high steam pressure in the boilerB.abnormally high feed-water temperatureC.abnormally high boiler water temperatureD.steam demand exceeding feed pump capacity
A single barometric pressure reading of 28.60 indicates ______.A.rapidly improving weatherB.deteriorating weatherC.a severe low pressure systemD.fair weather and calm
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
When a hurricane passes over colder water or land and loses its tropical characteristics,the storm becomes a(n)______.A.High pressure areaB.Extratropical low-pressure systemC.Tropical stormD.Easterly wave
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
What kind of pressure systems travel in easterly waves ________.A.High pressureB.Low pressureC.Subsurface pressureD.Terrastatic pressure
An aneroid barometer is an instrument ______.A.used to measure the speed of windB.in which the pressure of air is measuredC.that tells which direction a storm is coming fromD.used to measure the height of waves
Barometer readings in weather reports are given in terms of pressure at ______.A.sea levelB.China SeaC.the weather stationD.the broadcasting station
In reading a weather map, closely spaced pressure gradient lines would indicate ______.A.high windsB.high overcast cloudsC.calm or light windsD.fog or steady rain
In the doldrums you will NOT have ______.A.high relative humidityB.frequent showers and thunderstormC.steep pressure gradientsD.frequent calms
单选题An increase in diesel engine crankcase pressure generally indicates excessive()Acompression pressureBlube oil header pressureCscavenge air pressureDpiston ring blow-by
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The pressure difference before and after the lube oil filter indicates ()the filter should be cleaned.AwhenBhowCwhereDwhether
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As it approaches,a typical warm front will bring().Arising temperatures and falling barometric pressureBfalling temperature and pressureCfalling temperatures and rising pressureDrising barometric pressure and temperatures
单选题A single barometric pressure reading of 28.60 indicates().Arapidly improving weatherBdeteriorating weatherCa severe low pressure systemDfair weather and calm
单选题An increase in crankcase pressure generally indicates()Aworn connecting rod bearingsBworn engine cylinder linersChigh cylinder firing pressureDstuck spring-loaded manhole covers
单选题An aneroid barometer is an instrument().Aused to measure the speed of windBin which the pressure of the air is measuredCthat tells which direction a storm is coming fromDused to measure the height of waves
单选题Which instrument is used to predict the approach of a low pressure system().AAnemometerBFathometerCBarometerDThermometer
单选题As a high pressure system approaches,the barometer reading().Astays the sameBfallsCrisesDfalls rapidly
单选题An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is ()AholedBfouledCcleanDdry
单选题A knocking sound from one cylinder of an operating air compressor indicates ().Aa defective or broken high pressure un-loaderBa loose valve plateCexcessive overloadDno compression
单选题The most important information to be obtained from a barometer is the().Adifference between the reading of the two pointers,which shows wind directionBlast two figures of the reading of the pointer,such as 87,76,or 92Cpresent reading of the pressure,combined with the changes in pressure observed in the recent pastDweather indications printed on the dial (such as cold,wet,etc.) under the pointer
单选题Which of the listed set of conditions indicates early fuel injection timing?()ALoss of engine power and high exhaust temperaturesBHigher than normal firing pressure and low exhaust temperaturesCHigh fuel consumption and high exhaust temperaturesDLower than normal compression pressure and high exhaust temperature
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