单选题Most high pressure areas are accompanied by（）.AprecipitationBclear，cool weatherChumid，sticky weatherDcool fogs
单选题
Most high pressure areas are accompanied by（）.
A
precipitation
B
clear，cool weather
C
humid，sticky weather
D
cool fogs
参考解析
解析：
暂无解析
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
48 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
High cylinder firing pressure, accompanied by low exhaust temperature, can result from ___.A.improper fuel rack positingB.lengthy exhaust valve durationC.extend operation at light loadD.excessively early injection timing
Pressure gradient is a measure of ______.A.a high-pressure areaB.pressure difference over horizontal distanceC.pressure difference over timeD.vertical pressure variation
Cumulonimbus clouds are most likely to accompany a(n) ______.A.high pressure systemB.cold frontC.warm frontD.occluded front
If a refrigeration compressor is short cycling on high head pressure, you shouldA.purge the condenser if the waterside is dirtyB.check for proper water flow through the condenserC.increase the high pressure cutout settingD.reduce the cooling water flow
If the head pressure of a reciprocating refrigeration compressor is excessiveA.the relief valve should open before the high pressure cutoutB.the relief valve should open and allow the excess refrigerant to flow to the receiverC.the high pressure cutout switch should operate before the relief valve opensD.you should close the discharging valve
Topside area from deep loadline to bulwark to be thoroughly washed down with ______．A.highly pressure fresh waterB.high pressured fresh waterC.highly pressured fresh waterD.high pressure fresh water
A barometer showing falling pressure indicates the approach of a ______.A.high pressure systemB.low pressure systemC.high dew pointD.low dew point
Brief, violent showers frequently accompanied by thunder and lightning are usually associated with ______.A.passage of a warm frontB.winds shifting counterclockwise in the Northern HemisphereC.stationary high pressure systemsD.passage of a cold front
单选题A marine diesel engine is started by（）Asupplying high pressure oil into a hydraulic motorBsupplying high temperature air into the cylinderCsupplying high pressure air into the cylinderDelectrical igniting
单选题Late fuel injection timing is indicated by （）Alower than normal cylinder pressure and low exhaust temperatureBlower than normal cylinder pressure and high exhaust temperatureChigher than normal cylinder pressure and low exhaust temperatureDhigher than normal cylinder pressure and high exhaust temperature
单选题The fourth engineer accompanied by the workers on oil barge measures the oil levels, temperature and （） in the tanks.Atank tableBtrimCwater contentsDoil pressure
单选题Two well-developed high pressure areas may be separated by a（）.AHill of low pressureBTrough of low pressureCValley of low pressureDRidge of low pressure
单选题If a refrigeration compressor is short cycling on high head pressure, you should （）.Apurge the condenser if the waterside is dirtyBcheck for proper water flow through the condenserCincrease the high pressure cutout settingDreduce the cooling water flow
单选题The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?（）ALow compression pressure and high exhaust temperatureBLow firing pressure and high exhaust temperatureCLow compression pressure and low exhaust temperatureDLow firing pressure and low exhaust temperature
单选题If the head pressure of a reciprocating refrigeration compressor is excessive, （）.Athe relief valve should open before the high pressure cutoutBthe relief valve should open and allow the excess refrigerant to flow to the receiverCthe high pressure cutout switch should operate before the relief valve opensDyou should close in on the suction valve
单选题If the head pressure is too high,（）Athe relief valve should open before the high-pressure cutoutBthe relief valve should open and let excess refrigerant go to receiverCthe high-pressure cutout switch should operate before the relief valve opensDclose in on the suction valve
单选题The direction of the surface wind is（）.Adirectly from high pressure toward low pressureBdirectly from low pressure toward high pressureCfrom high pressure toward low pressure deflected by the earth's rotationDfrom low pressure toward high pressure deflected by the earth's rotation
单选题Either a low injection pressure or a leakage of piston rings is able to lead （）.Aa high exhaust temperatureBa high smoky exhaustCa high outputDa high compression
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When observing a rapid rise in barometric pressure，you may expect（）.AClear weather with no wind，but the possibility of rain or snow within 24 hoursBDeteriorating weather with rain or snowCHeavy rain or severe thundershowersDClearing weather，possibly accompanied by high winds
单选题Pressure gradient is a measure of（）.Aa high-pressure areaBpressure difference over horizontal distanceCpressure difference over timeDvertical pressure variation
单选题A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.Aan air leak has developed in the tankBthe tank cooling system has malfunctionedCthe pilot cylinder discharge valve is leakingDan excessive amount of insulation has been installed on the tank and piping
单选题（）uses one or two high pressure pumps for all the cylinders with one more standby, while（）have a separate high-pressure pump for each cylinder.AA common rail engine；conventional enginesBA conventional engine；common rail enginesCA marine diesel engine；most other enginesDA two-stroke engine；four-stroke engines
单选题High cylinder firing pressure, accompanied by low exhaust temperature, can result from （）Aimproper fuel rack positingBlengthy exhaust valve durationCextend operation at light loadDexcessively early injection timing
单选题Brief，violent showers frequently accompanied by thunder and lightning are usually associated with（）.Apassage of a warm frontBpassage of a cold frontCwinds shifting counterclockwise in the Northern HemisphereDstationary high pressure systems