单选题MIST is caused by（）.Aforest firesBsmoke from industrial areasCdust or sand stormsDwater droplets with the relative humidity more than 95%
单选题
MIST is caused by（）.
A
forest fires
B
smoke from industrial areas
C
dust or sand storms
D
water droplets with the relative humidity more than 95%
参考解析
解析：
暂无解析
相关考题：
()_ trouble, I’m going to forget the whole affair. A.Then rather causeB.Rather causingC.Rather than causeD.Rather than caused
Don’t you know how ______ it can be out here in the mist? (A) dangerous(B) danger(C) big(D) heavy
-The drunk driver wishes he( )so many injuries in the accident.-But he( )．A. hadn't caused; had B.didn't cause; didC. hasn't caused; didD.hasn't caused; has
A tsunami is caused by a(n) ______.A.tidal waveB.storm surge caused by a hurricane or tropical stormC.earthquake on the ocean's floorD.tornado
It rained heavily in Shaanxi in September, 2011, ________serious flooding in several areas.A. caused B. to cause C. causing D. having caused
MIST研究证明以下哪个结论？（）A、无需在急性期使用1mg-bid-7天布地奈德雾化治疗B、急性期1mg-bid-7天应用布地奈德雾化治疗可有效降低急性再次发作的频率C、MIST推荐持续期患儿使用布地奈德1mg bid 7天方案治疗，可有效减少泼尼松龙干预治疗的患者比例D、MIST推荐持续期患儿使用布地奈德1mg bid 7天方案治疗，可有效减少呼吸道疾病干预治疗的患者比例
单选题In general, the oil mist defectors include a base plate with air blast pumpThe function of air blast pump is to （）crankcase.Asupply clean air to the measuring compartment of the units for more accuracyBgeneraate the pressure required for the extraction of the oil mist from theCgenerate the pressure required for the extraction of the oil mist from the crankcaseDsupply clean air to the measuring track of the units for more accuracy
单选题In general, the oil mist detectors include a built-in heating unit and a compact plug for electrical connectionThe function of heating unit is to （）Aavoid false alarms as a result of condensing water vaporBavoid danger of frost under very cold weatherCreduce the viscosity of the crankcase atmosphere in order to improve the fluidityDkeep the temperature of the oil mist detectors in an appropriate range
单选题Oil mist detectors are usually used on board to detect oil mist density within （）.Athe engine crankcaseBthe engine scavenge boxesCdrain tanksDfuel tanks
单选题The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）Aexcessive mist density in the crankcasesBexcessively high crankcase vacuumCexcessively high bearing temperatureDexcessive carbon buildup in the lube oil
单选题The most common cause of lowering the crankcase lube oil flash point is （）.Amore water contentsBcontamination with fuel oilChigher temperatureDsufficient cooling of oil mist
单选题The oil mist detectors continuously（） the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.AdetractBextractCpump upDpump down
单选题MIST is caused by（）.Aforest firesBsmoke from industrial areasCdust or sand stormsDwater droplets with the relative humidity more than 95%
单选题A tsunami is caused by a(n)（）.Atidal waveBstorm surge caused by a hurricane or tropical stormCearthquake on the ocean's floorDtornado
单选题Early indications of the approach of a hurricane may be all of the following EXCEPT（）.Ashort confused swellsBgradually increasing white clouds (mare's tails)Cpumping barometerDcontinuous fine mist-like rain