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）
The diurnal variation of pressure is most noticeable ______.
A.above the polar circles
B.in a low pressure area
C.during periods of low temperatures
D.in the doldrums
参考答案
更多 “ The diurnal variation of pressure is most noticeable ______.A.above the polar circlesB.in a low pressure areaC.during periods of low temperaturesD.in the doldrums ” 相关考题
考题
The circulation around a low pressure center in the Northern Hemisphere is ______.A.counterclockwiseB.variableC.clockwiseD.Anticyclonic
考题
________ causes strong winds and rough sea at northwest Bay of Biscay．A.Strong low pressureB.Strong high pressureC.Steep pressure gradientD.Steep gradient pressure
考题
Fog is most commonly associated with a(n) ______.A.warm front at nightB.low pressure areaC.anticycloneD.lack of frontal activity
考题
The diurnal pressure variation is most noticeable in the ______.A.polar regionsB.horse latitudesC.roaring fortiesD.doldrums
考题
The daily recurring pattern of pressure changes most noticeable in low latitudes is the ______.A.daily lapse readingB.diurnal variation of pressureC.pressure tendencyD.synoptic pressure
考题
A single barometric pressure reading of 28.60 indicates ______.A.rapidly improving weatherB.deteriorating weatherC.a severe low pressure systemD.fair weather and calm
考题
What alarm is NOT found on an inert gas system ________．A.Low oxygen alarmB.Low pressure alarmC.Scrubber high water level alarmD.Deck seal low water alarm
考题
What kind of pressure systems travel in easterly waves ________．A.High pressureB.Low pressureC.Subsurface pressureD.Terrastatic pressure
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
Generally speaking, you should expect to find low atmospheric pressure prevailing in the earth’s ______.A.equatorial areaB.polar regionsC.mid-latitudesD.All of the above
考题
In the doldrums you can expect ______.A.steady, constant windsB.frequent rain showers and thunderstormsC.steep pressure gradientsD.low relative humidity
考题
单选题Leaky exhaust valve will result in which of the following?（） (1) high exhaust temperature; (2) low compression pressure; (3) low firing pressure.A
(1) and (2)B
(1) onlyC
(2) onlyD
(1),(2) and (3)
考题
单选题Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.A
cast iron has weaknessB
cast iron can stand up shock loadingC
cast iron fittings are only suitable in low pressure situationD
east iron fittings are not suitable in low pressure situation
考题
单选题A decrease in barometric pressure is associated with all of the following except（）.A
rising warm airB
proximity to a low pressure areaC
inward spiraling circulationD
clear dry weather
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A generally circular low pressure area is called a(n)（）.A
cycloneB
anticycloneC
cold frontD
occluded front
考题
单选题Low pressure air is usually taken through （） or pressure regulators to a low pressure reservoir supplying a ring main through driers.A
globe valvesB
butterfly valvesC
gate valvesD
reducing valves
考题
单选题The greater the pressure difference between a high and a low pressure center，the（）.A
dryer the air mass will beB
cooler the temperature will beC
greater the force of the wind will beD
warmer the temperature will be
考题
单选题The diurnal variation of pressure is most noticeable（）.A
above the polar circlesB
in a low pressure areaC
during periods of low temperaturesD
in the doldrums
考题
单选题The purpose of the refrigeration system low pressure cutout switch is to （）A
protect the compressor from liquid flood backB
protect the compressor from low discharge pressureC
start and stop the compressor upon system demandD
start the compressor after a drop in the evaporator 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The diurnal pressure variation is most noticeable in the（）.A
polar regionsB
horse latitudesC
roaring fortiesD
doldrums
考题
单选题An indication of a diesel engine air intake being partially clogged, is （）.A
low firing pressure and low exhaust temperaturesB
low firing pressure and normal exhaust temperaturesC
high firing pressure and low exhaust temperaturesD
high firing pressure and high exhaust temperatures
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The circulation around a low pressure center in the Northern Hemisphere is（）.A
counterclockwiseB
variableC
clockwiseD
anticyclonic
考题
单选题The daily recurring pattern of pressure changes most noticeable in low latitudes is the （）.A
daily lapse readingB
diurnal variation of pressureC
pressure tendencyD
synoptic pressure
热门标签
最新试卷