Which statement is TRUE concerning equatorial tides ________.A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low ti

题目

Which statement is TRUE concerning equatorial tides ________.

A.They occur when the Sun is at minimum declination north or south

B.They occur when the Moon is at maximum declination north or south

C.The difference in height between consecutive high or low tides is at a minimum

D.They are used as the basis for the vulgar establishment of the port


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  • 第1题:

    Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________.

    A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing

    B.Stack heights may be increased when using a solid bar lashing

    C.Stack heights should be reduced when using a solid bar lashing

    D.Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)


    正确答案:A

  • 第2题:

    Which statement is TRUE concerning buoyant work vests aboard tankers ________.

    A.They may be worn while working on deck but not while working over the side

    B.They must be used only under supervision of a designated ship's officer

    C.They will be accepted for up to 10% of the required life preservers

    D.They may be worn during drills


    正确答案:B

  • 第3题:

    Which statement about tunnel bow thrusters fitted to large vessels is TRUE ________.

    A.They are effective on most vessels at speeds up to 10 knots

    B.Because of their location,most modern installations have as much power as a tug

    C.They are fully effective at all drafts

    D.When going astern at slow speed,they provide effective steering control


    正确答案:D

  • 第4题:

    Which statements concerning the switch construct are true?()  

    • A、All switch statements must have a default label.
    • B、There must be exactly one label for each code segment in a switch statement.
    • C、The keyword continue can never occur within the body of a switch statement.
    • D、No case label may follow a default label within a single switch statement.
    • E、A character literal can be used as a value for a case label.

    正确答案:E

  • 第5题:

    单选题
    Neap tides occur().
    A

    At the start of spring,when the Sun is nearly over the equator

    B

    Only when the Sun and Moon are on the same sides of the Earth and are nearly in line

    C

    When the Sun and Moon are at approximately 90° to each other,as seen from the Earth

    D

    When the Sun,Moon,and Earth are nearly in line,regardless of alignment order


    正确答案: B
    解析: 暂无解析

  • 第6题:

    单选题
    Concerning the identification signal for a pilot vessel,in fog,which statement is TRUE?()
    A

    When at anchor,the pilot vessel is only required to sound anchor signals

    B

    The identification signal must be sounded any time the pilot vessel is underway

    C

    The pilot vessel may only sound the identity signal when making way

    D

    All of the above


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    Spring tides occur().
    A

    when the moon is new or full

    B

    when the moon and sun have declination of the same name

    C

    only when the moon and sun are on the same sides of the earth

    D

    at the beginning of spring when the sun is over the equator


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    Which statement is TRUE concerning the gooseneck().
    A

    It is a sailing maneuver which brings the vessel's head through the wind

    B

    It connects the boom to the mast and allows the boom to swing freely

    C

    It is a sailing condition where there is a loss of air flow over the sails

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    Spring tides occur().
    A

    at the start of spring,when the Sun is nearly over the equator

    B

    only when the Sun and Moon are on the same side of the Earth and nearly in line

    C

    when the Sun and Moon are at approximately 90°to each other as seen from the Earth

    D

    when the Sun,Moon,and Earth are nearly in line,in any order


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which statements concerning the switch construct are true?()
    A

    All switch statements must have a default label.

    B

    There must be exactly one label for each code segment in a switch statement.

    C

    The keyword continue can never occur within the body of a switch statement.

    D

    No case label may follow a default label within a single switch statement.

    E

    A character literal can be used as a value for a case label.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement concerning Montauk Point Light is TRUE().
    A

    The light comes on at sunset

    B

    There is an emergency light if the main light is extinguished

    C

    The height of the light is 24 feet

    D

    The tower is painted with black and white stripes


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift? ()
    A

    The discharge is slow due to the size of the cargo and all the cranes working together

    B

    The cargo discharge can be accomplished with controlled pendulation

    C

    The cargo discharge can be performed in port or at anchor

    D

    The cranes enable the handling of heavy cargos without shoreside assistance


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________.

    A.It is required on all vessels

    B.It may be located in a conspicuous place in the wheelhouse

    C.It may be located at the bilge and ballast pump control station

    D.All of the above


    正确答案:C

  • 第14题:

    Which statement is TRUE concerning insulating flanges ________.

    A.They should be inspected and tested periodically to ensure that the insulation is clean and in good condition

    B.Switching off a cathodic protection system may be substituted for using an insulating flange

    C.The measured resistance value after installation should be less than 1,000 ohms

    D.After the insulating flange is installed,hot work may be performed on deck


    正确答案:A

  • 第15题:

    Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.

    A.When at anchor, the pilot vessel is only required to sound anchor signals

    B.The identification signal must be sounded any time the pilot vessel is underway

    C.The pilot vessel may only sound the identity signal when making way

    D.All of the above


    正确答案:A
    雾中有关引水船的识别信号,哪句是正确的?当锚泊时,引水船仅被要求鸣放锚泊船信号.

  • 第16题:

    单选题
    Which statement is TRUE concerning equatorial tides().
    A

    They occur when the Sun is at minimum declination north or south

    B

    They occur when the Moon is at maximum declination north or south

    C

    The difference in height between consecutive high or low tides is at a minimum

    D

    They are used as the basis for the vulgar establishment of the port


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    Neap tides occur only().
    A

    at a new or full Moon

    B

    when the Sun,Moon,and Earth are in line

    C

    at approximately 28-day intervals

    D

    when the Moon is at quadrature


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    Evaluate the following statement:   Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?()
    A

     They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.

    B

     They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.

    C

     They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.

    D

     The INSERT statement would give an error because the ELSE clause is not present for support in case none of the WHEN clauses are true.


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    Which statement is true concerning a vessel equipped with operational radar?().
    A

    The Master of the vessel must be on the bridge when the radar is in use

    B

    The radar equipment is only required to be used in restricted visibility

    C

    The use of a radar excuses a vessel from the need of a look-out

    D

    This equipment must be used to obtain early warning of risk of collision


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    Which statement is TRUE concerning hawser towing? ()
    A

    The catenary in a hawser should be sufficient so that the hawser just touches the bottom

    B

    The hawser is of sufficient length for towing when taut between tug and tow

    C

    Increasing speed usually increases the catenary in the hawser

    D

    Shortening the tow hawser generally decreases the maneuverability of the tug


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? ()
    A

    Stack weights should be less when using a solid bar lashing as compared to a wire lashing

    B

    Stack heights may be increased when using a solid bar lashing

    C

    Stack heights should be reduced when using a solid bar lashing

    D

    Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Which statement is TRUE concerning lifeboat gripes?()
    A

    They must be released by freeing a safety shackle

    B

    They should not be released until the boat is in lowering position

    C

    They may be adjusted by a turnbuckle

    D

    They are normally used only with radial davits


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is TRUE concerning apogean tides().
    A

    They occur only at quadrature

    B

    They occur when the Moon is nearest the Earth

    C

    They cause diurnal tides to become mixed

    D

    They have a decreased range from normal


    正确答案: A
    解析: 暂无解析