网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Most high pressure areas are accompanied by（）.
A
precipitation
B
clear，cool weather
C
humid，sticky weather
D
cool fogs
参考答案
参考解析
解析：
暂无解析
更多 “单选题Most high pressure areas are accompanied by（）.A precipitationB clear，cool weatherC humid，sticky weatherD cool fogs” 相关考题
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
考题
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
考题
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
考题
Pressure gradient is a measure of ______.A.a high-pressure areaB.pressure difference over horizontal distanceC.pressure difference over timeD.vertical pressure variation
考题
Cumulonimbus clouds are most likely to accompany a(n) ______.A.high pressure systemB.cold frontC.warm frontD.occluded front
考题
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
考题
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
考题
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
考题
A barometer showing falling pressure indicates the approach of a ______.A.high pressure systemB.low pressure systemC.high dew pointD.low dew point
考题
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
考题
单选题A marine diesel engine is started by（）A
supplying high pressure oil into a hydraulic motorB
supplying high temperature air into the cylinderC
supplying high pressure air into the cylinderD
electrical igniting
考题
单选题Late fuel injection timing is indicated by （）A
lower than normal cylinder pressure and low exhaust temperatureB
lower than normal cylinder pressure and high exhaust temperatureC
higher than normal cylinder pressure and low exhaust temperatureD
higher than normal cylinder pressure and high exhaust temperature
考题
单选题The fourth engineer accompanied by the workers on oil barge measures the oil levels, temperature and （） in the tanks.A
tank tableB
trimC
water contentsD
oil pressure
考题
单选题Two well-developed high pressure areas may be separated by a（）.A
Hill of low pressureB
Trough of low pressureC
Valley of low pressureD
Ridge of low pressure
考题
单选题If a refrigeration compressor is short cycling on high head pressure, you should （）.A
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
考题
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?（）A
Low compression pressure and high exhaust temperatureB
Low firing pressure and high exhaust temperatureC
Low compression pressure and low exhaust temperatureD
Low firing pressure and low exhaust temperature
考题
单选题If the head pressure of a reciprocating refrigeration compressor is excessive, （）.A
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 in on the suction valve
考题
单选题If the head pressure is too high,（）A
the relief valve should open before the high-pressure cutoutB
the relief valve should open and let excess refrigerant go to receiverC
the high-pressure cutout switch should operate before the relief valve opensD
close in on the suction valve
考题
单选题The direction of the surface wind is（）.A
directly from high pressure toward low pressureB
directly from low pressure toward high pressureC
from high pressure toward low pressure deflected by the earth's rotationD
from low pressure toward high pressure deflected by the earth's rotation
考题
单选题Either a low injection pressure or a leakage of piston rings is able to lead （）.A
a high exhaust temperatureB
a high smoky exhaustC
a high outputD
a high compression
考题
单选题Which of the listed set of conditions indicates early fuel injection timing?（）A
Loss of engine power and high exhaust temperaturesB
Higher than normal firing pressure and low exhaust temperaturesC
High fuel consumption and high exhaust temperaturesD
Lower than normal compression pressure and high exhaust temperature
考题
单选题When observing a rapid rise in barometric pressure，you may expect（）.A
Clear weather with no wind，but the possibility of rain or snow within 24 hoursB
Deteriorating weather with rain or snowC
Heavy rain or severe thundershowersD
Clearing weather，possibly accompanied by high winds
考题
单选题Pressure gradient is a measure of（）.A
a high-pressure areaB
pressure difference over horizontal distanceC
pressure difference over timeD
vertical pressure variation
考题
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（）.A
an air leak has developed in the tankB
the tank cooling system has malfunctionedC
the pilot cylinder discharge valve is leakingD
an excessive amount of insulation has been installed on the tank and piping
考题
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.A
A common rail engine；conventional enginesB
A conventional engine；common rail enginesC
A marine diesel engine；most other enginesD
A two-stroke engine；four-stroke engines
考题
单选题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
考题
单选题Brief，violent showers frequently accompanied by thunder and lightning are usually associated with（）.A
passage of a warm frontB
passage of a cold frontC
winds shifting counterclockwise in the Northern HemisphereD
stationary high pressure systems
热门标签
最新试卷