更多"In the Northern hemisphere northerl"的相关试题:
[单项选择]A virtual rise in the center of gravity may be caused by（）.
A. filling a partially filled tank
B. using an on board crane to lift a freely swinging heavy object
C. emptying a partially filled tank
D. transferring ballast from the forepeak to the after peak
[单项选择]In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a（）.
A. cold front has passed
B. low pressure center is approaching
C. stationary front exists
D. high pressure center has passed
[单项选择]The direction of prevailing winds in the Northern hemisphere is caused by the（）.
A. Magnetic field at the North Pole
B. Gulf Stream
C. Earth's rotation
D. Arctic cold fronts
[单项选择]In the Northern Hemisphere，gusty winds shifting clockwise，a rapid drop in temperature，thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies，indicate the passage of a(n)（） .
A. warm front
B. tropical cyclone
C. anticyclone
D. cold front
[单项选择]Transverse movement of cargo, especially bulk, caused by rolling or a heavy list defines（）.
A. shifting cargo
B. moving cargo
C. removing cargo
D. trimming cargo
[单项选择]Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
A. require loading operations to be shut down until the atmosphere clears
B. are toxic to human life
C. are subject to spontaneous combustion
D. may be explosive in some concentrations
[单项选择]Low compression pressure in a diesel engine is caused by（）
A. low water in the expansion tank
B. improperly seated valves
C. low fuel oil pressure
D. worn or broken cylinder liner sealing rings
[单项选择]As these features are not all charted, special caution should be exercised（）vessels navigating in the vicinity.
A. by
B. with
C. on
D. in
[单项选择]During the voyage he encountered boisterous winds and heavy weather during which time the vessel（）heavily and to such an extent that at times it was necessary to change course.
A. moved
B. labored
C. drove
D. went
[单项选择]The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.
A. water
B. oil
C. scale
D. ridge
[单项选择]The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.
A. polar easterlies
B. prevailing westerlies
C. roaring forties
D. jet streams
[单项选择]The consistent winds blowing from the horse latitudes to the doldrums are called the（）.
A. prevailing westerlies
B. polar easterlies
C. trade winds
D. roaring forties
[多项选择]CAU天线工作时安全距离（）。
A. 四侧300mm
B. 四侧60mm
C. 下部1000mm
D. 下部100mm
[单项选择]When experiencing heavy winds，you should reef sails to（）.
A. bring the sails parallel to the wind
B. reduce sail area exposed to the wind
C. allow the sails to catch more wind
D. remove all tension on the main and jib sheets
[单项选择]In the Southern Hemisphere winds in a low pressure system rotate in a（）.
A. clockwise direction
B. northeasterly direction
C. northerly direction
D. counterclockwise direction
[单项选择]During the winter months，the southeast trade winds are（）.
A. stronger than during the summer months
B. weaker than during the summer months
C. drier than during the summer months
D. wetter than during the summer months
[判断题]CTCS3-300T设备CAU天线应安装在轨面上。
