更多“In the Northern Hemisphere, when the center of a high pressure system is due east of your ”相关问题
  • 第1题:

    If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?

    A.South to west

    B.South to east

    C.West to north

    D.North to east


    正确答案:B
    在北半球一个低压正在拟的西部,风向应该怎样判别?东南。

  • 第2题:

    In the Northern Hemisphere a wind is said to veer when the wind ______.

    A.changes direction clockwise, as from north to east, etc

    B.changes direction counterclockwise, as from south to east, etc

    C.changes direction violently and erratically

    D.remains constant in direction and speed


    正确答案:A
    在北半球大风的风向会顺时针旋转,例如北到东。

  • 第3题:

    In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.

    A.South to west

    B.South to east

    C.North to west

    D.North to east


    正确答案:C
    在北半球,如果高压中心在你的西部,你预料到是什么风向?西北风。

  • 第4题:

    单选题
    A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm,what situation may occur?()
    A

    The low may suddenly deepen,and the cyclone intensify and pick up speed

    B

    The left semicircle may become the dangerous semicircle

    C

    The low and the high may merge and cancel out the weather characteristics of each

    D

    The high may force the cyclone to reverse its track


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    If it is impossible to avoid a hurricane in the Northern Hemisphere,the most favorable place to be when the storm passes is in().
    A

    the dangerous semicircle

    B

    the eye (center) of the storm

    C

    that half of the storm lying to the right of the storm's path

    D

    that half of the storm lying to the left of the storm's path


    正确答案: B
    解析: 暂无解析

  • 第6题:

    单选题
    When adding oil to a refrigeration system, precautions must be taken to ensure that ().
    A

    the compressor suction pressure is not too high

    B

    all air is purged from the pump and charging fittings

    C

    the high pressure cutout switch is held open to prevent accidental starting

    D

    the condenser is completely shutdown first


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    In the Northern Hemisphere a wind is said to veer when the wind().
    A

    Changes direction clockwise,as from north to east,etc

    B

    Changes direction violently and erratically

    C

    Remains constant in direction and speed

    D

    Changes direction counterclockwise,as from south to east,etc


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil ().
    A

    viscosity will decrease

    B

    volume will increase

    C

    volume will decrease

    D

    pour point will be reduced


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    What will a veering wind do().
    A

    Change direction in a clockwise manner in the Northern Hemisphere

    B

    Circulate about a low pressure center in a counterclockwise manner in the Northern Hemisphere

    C

    Vary in strength constantly and unpredictably

    D

    Circulate about a high pressure center in a clockwise manner in the Southern Hemisphere


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    If an observer in the Northern Hemisphere faces the surface wind,the center of low pressure is to his().
    A

    left,slightly behind him

    B

    right,slightly behind him

    C

    left,slightly in front of him

    D

    right,slightly in front of him


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    The circulation around a low pressure center in the Northern Hemisphere is().
    A

    counterclockwise

    B

    variable

    C

    clockwise

    D

    anticyclonic


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    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


    正确答案: A
    解析: 暂无解析

  • 第13题:

    If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.

    A.East to northeast

    B.East to southeast

    C.North to northwest

    D.South to southeast


    正确答案:C
    假如你的气象报告显示有一低压区域的中心正好在你船位置以东100海里,在北半球你将预计是什么风?北到西北风

  • 第14题:

    In the southern hemisphere the wind flow associated with a low pressure system will have which of the following characteristic?________.

    A.the wind velocity is least near the center of the system

    B.th e direction of the flow is counterclockwise

    C.both A and B

    D.neither A nor B


    正确答案:D
    在南半球,与一个低压系统有联系的风向将具有以下的特性?即不是A也不是B。

  • 第15题:

    In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.

    A.NNW

    B.WSW

    C.ESE

    D.SSW


    正确答案:C
    在北半球,你所在位置有北风,由低压引起的风,低压中心在你的ESE。

  • 第16题:

    单选题
    According to Buys Ballot’s law,when an observer in the Northern Hemisphere experiences a northwest wind,the center of low pressure is located to the().
    A

    northeast

    B

    west-southwest

    C

    northwest

    D

    south-southeast


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    In the Northern Hemisphere,an area of counterclockwise wind circulation surrounded by higher pressure is a().
    A

    low

    B

    high

    C

    warm front

    D

    cold front


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    When a high pressure system is centered north of your vessel in the Northern Hemisphere().
    A

    You should experience hot,moist,clear weather

    B

    The wind direction is generally easterly

    C

    The winds should be from the southwest at your location

    D

    The winds should be brisk


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    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


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position,what winds can you expect in the Northern Hemisphere?().
    A

    East to northeast

    B

    East to southeast

    C

    North to northwest

    D

    South to southeast


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    On the pole side of the high pressure belt in each hemisphere,the pressure diminishes. The winds along these gradients are diverted by the Earth’s rotation toward the east and are known as the().
    A

    geostrophic winds

    B

    doldrums

    C

    horse latitudes

    D

    prevailing westerlies


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    In the Northern Hemisphere,when the wind at your location is northerly,the low pressure center causing the wind is located to your().
    A

    NNW

    B

    WSW

    C

    ESE

    D

    SSW


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    If the center of low pressure is due west of you in the Northern Hemisphere,which wind direction should you expect().
    A

    South to west

    B

    South to east

    C

    West to north

    D

    North to east


    正确答案: B
    解析: 暂无解析