Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ________.A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power u

题目

Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ________.

A.The cranes may be operated independently

B.The cranes may be interconnected for twin operation

C.The cranes are powered by independent internal combustion power units

D.All of the above


相似考题
更多“Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ______ ”相关问题
  • 第1题:

    Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________.

    A.Taglines are wire rope purchases that raise and lower the jib

    B.Taglines are wire ropes for horizontal positioning of the rider block

    C.Taglines can be fastened to corners of vehicles or containers

    D.The crane might not have taglines installed in its rigging system


    正确答案:A

  • 第2题:

    Which of the following statements is TRUE regarding crane operations ________.

    A.Radio communications allow the crane operator to disregard the use of hand signals

    B.The crane operators and signalman must be familiar with the correct hand signals

    C.The forward cranes can be operated from the bridge

    D.The aft cranes can be operated from the aft steering station


    正确答案:B

  • 第3题:

    During which condition should be operator of a pedestal crane shutdown operations?

    A.Bunkering

    B.High winds

    C.Potable water spill on deck

    D.More than 3°list


    正确答案:B
    在那种情况下,应该关闭克令吊作业?大风。

  • 第4题:

    You executed the following commands:   SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’);   Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?()

    • A、 The statistics are stored in the pending statistics table in the data dictionary.
    • B、 The statistics are treated as the current statistics by the optimizer for all sessions.
    • C、 The statistics are treated as the current statistics by the optimizer for the current sessions only.
    • D、 The statistics are temporary and used by the optimizer for all sessions until this session terminates.

    正确答案:A

  • 第5题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Lightning in the vicinity

    B

    An approaching squall line

    C

    A fire on the pier

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第6题:

    单选题
    Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().
    A

    The cranes may be operated independently

    B

    The cranes may be interconnected for twin operation

    C

    When twinned,the crane rotation on the foundation assembly is unlimited

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    Which of the following statements is TRUE regarding crane operations().
    A

    Radio communications allow the crane operator to disregard the use of hand signals

    B

    The crane operators and signalman must be familiar with the correct hand signals

    C

    The forward cranes can be operated from the bridge

    D

    The aft cranes can be operated from the aft steering station


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Lightning

    B

    High winds

    C

    Fire aboard

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().
    A

    The cranes may be operated independently

    B

    The cranes may be interconnected for twin operation

    C

    The cranes are powered by independent internal combustion power units

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Bunkering barge alongside

    B

    Potable water spill on deck

    C

    Crane hydraulic hose bursts

    D

    Trim greater than 4 feet


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels().
    A

    A centerline crane can never be operated in tandem

    B

    One crane is able to work one end of two adjacent hatches

    C

    These cranes are more economical and weigh less than outboard-mounted cranes

    D

    One crane is able to work both sides of the ship


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)
    A

     assert true;

    B

     assert false;

    C

     assert false : true;

    D

     assert false == true;

    E

     assert false: false;


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Which wire rope purchases may be used with a 30-ton pedestal crane ________.

    A.Hoist

    B.Luff

    C.Rider block

    D.All of the above


    正确答案:D

  • 第14题:

    During which condition should the operator of a pedestal crane shutdown operations ________.

    A.Bunkering barge alongside

    B.Potable water spill on deck

    C.Crane hydraulic hose bursts

    D.Trim greater than 4 feet


    正确答案:C

  • 第15题:

    public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)  

    • A、 assert true;
    • B、 assert false;
    • C、 assert false : true;
    • D、 assert false == true;
    • E、 assert false: false;

    正确答案:C

  • 第16题:

    单选题
    Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane().
    A

    Taglines are wire rope purchases that raise and lower the jib

    B

    Taglines are wire ropes for horizontal positioning of the rider block

    C

    Taglines can be fastened to corners of vehicles or containers

    D

    The crane might not have taglines installed in its rigging system


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    What is the purpose of the equalizing beam aboard a crane vessel().
    A

    It allows for rotation of the hook in the single mode

    B

    It is required to“twin-up”30-ton pedestal cranes

    C

    It is used to pick up light loads

    D

    It is used to rigidly connect two cranes


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?
    A

    The average (arithmetic mean) of set S

    B

    The median of set S

    C

    The mode of set S

    D

    The range of set S

    E

    The standard deviation of set S


    正确答案: A
    解析:
    根据公式可知,A项S数集的平均数=107,B项S数集的中位数=105,C项S数集的众数=100,D项S数集的极差=24,E项S数集的标准差≈9,故本题选A项。

  • 第19题:

    单选题
    You executed the following commands:   SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’);   Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?()
    A

     The statistics are stored in the pending statistics table in the data dictionary.

    B

     The statistics are treated as the current statistics by the optimizer for all sessions.

    C

     The statistics are treated as the current statistics by the optimizer for the current sessions only.

    D

     The statistics are temporary and used by the optimizer for all sessions until this session terminates.


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Bunkering

    B

    High winds

    C

    Potable water spill on deck


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    Which action(s) should the operator of a pedestal crane take if crane control is lost?()
    A

    Let go of both control levers and return to neutral position

    B

    Press the emergency stop

    C

    Notify the mate on watch

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Which statement(s) is/are TRUE concerning crane cargo operations? ()
    A

    Do not exceed rated load capacity of crane and container spreader or slings

    B

    During any cargo handling operation,the safety of personnel is paramount

    C

    Cargo handlers must be outfitted with adequate protection from personal injury

    D

    All the above


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?().
    A

    If one screw is stopped,the ship will turn toward the side of the stopped screw

    B

    The principal force which turns the ship is set up by the wake against the forward side of the rudder

    C

    Turning response by use of the rudder only is greater than on a single-screw vessel

    D

    With the rudder amidships,the ship will steer a fairly steady course


    正确答案: C
    解析: 暂无解析