Which of the following statements is TRUE regarding crane operations ________．A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forwa

题目

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

相似考题

1.The man page for command shows the following syntax: The man page for command shows the following syntax: command [ －a | －b ] Which of the following statements is true regarding this entry?()A. Either the -a or flag -b may be used, but not both.B. If the flag -a is used then the flag -b also must be used.C. One of the -a or -b flags must be used, but not both at the same time.D. Both the flags may be used together, but neither are mandatory.

2.Which statement(s) is/are TRUE concerning crane cargo operations?A.Do not exceed rated load capacity of crane and container spreader or slingsB.During any cargo handling operation，the safety of personnel is paramountC.Cargo handlers must be outfitted with adequate protection from personal injuryD.All the above

3.Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.When twinned，the crane rotation on the foundation assembly is unlimitedD.All of the above

4.The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()A. The default administrative distance is used.B. The command is used to establish a static route.C. The command is used to configure the router interfaces.D. The command is used to establish a stub network.E. The subnet mask for the source address is 255.255.255.0

更多“Which of the following statements is TRUE regarding crane operations ________.A.Radio comm ”相关问题

  • 第1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：A

  • 第2题：

    Which of the following statements is NOT true about RMAN？（）

    • A、It improves usability by enabling you to reuse the scripts to perform recovery operations.
    • B、It detects block corruption while restoration and recovery operations.
    • C、It enables you to perform block media recovery.
    • D、It is capable to recover through unrecoverable operations， with only full database backups.

    正确答案:A

  • 第3题：

    The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?（）

    • A、Either the -a or flag -b may be used, but not both.
    • B、If the flag -a is used then the flag -b also must be used.
    • C、One of the -a or -b flags must be used, but not both at the same time.
    • D、Both the flags may be used together, but neither are mandatory.

    正确答案:D

  • 第4题：

    Which statements are true regarding table compression？（）

    • A、 It saves disk space and reduces memory usage.
    • B、 It saves disk space but has no effect on memory usage.
    • C、 It incurs extra CPU overhead during DML as well as direct loading operations.
    • D、 It incurs extra CPU overhead during DML but not direct loading operations.
    • E、 It requires uncompress operation during I/O.

    正确答案:A,C

  • 第5题：

    多选题
    Which statements are true regarding table compression? （）(Choose all that apply.)
    A

    It saves disk space and reduces memory usage.

    B

    It saves disk space but has no effect on memory usage.

    C

    It incurs extra CPU overhead during DML as well as direct loading operations.

    D

    It incurs extra CPU overhead during DML but not direct loading operations.

    E

    It requires uncompress operation during I/O.


    正确答案： D,A
    解析： 暂无解析

  • 第6题：

    多选题
    Which of the following statements are true? (Indicate all such statements.)
    A

    τ(5) =τ(7)

    B

    τ(5) τ(7) =τ(35)

    C

    τ(5) + τ(7) =τ(12)


    正确答案： A,B
    解析：
    5和7均只有两个正除数，因此根据题干信息，A项正确；35有四个正除数，所以B项也是正确的；12有6个正除数，因此C项错误；选择A、B两项。

  • 第7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8题：

    单选题
    Examine the following query output: You issue the following command to import tables into the hr schema: $ > impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr TRANSFORM=DISABLE_ARCHIVE_LOGGING: Y Which statement is true?（）
    A

    All database operations performed by the impdp command are logged.

    B

    Only CREATE INDEX and CREATE TABLE statements generated by the import are logged.

    C

    Only CREATE TABLE and ALTER TABLE statements generated by the import are logged.

    D

    None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.


    正确答案： B
    解析： 暂无解析

  • 第9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10题：

    多选题
    The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）
    A

    The default administrative distance is used.

    B

    The command is used to establish a static route.

    C

    The command is used to configure the router interfaces.

    D

    The command is used to establish a stub network.

    E

    The subnet mask for the source address is 255.255.255.0


    正确答案： D,C
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true regarding the Oracle Data Pump export and import operations（）
    A

    You cannot export data from a remote database.

    B

    You can rename tables during an import operation.

    C

    You can overwrite existing dump files during an export operation.

    D

    You can compress the data during export but not the metadata because it is not supported.


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）
    A

     The VERSIONS BETWEEN clause may be used in DML statements.

    B

     The VERSIONS BETWEEN clause may be used in DDL statements.

    C

     The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.

    D

     The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）  

    • A、 The VERSIONS BETWEEN clause may be used in DML statements.
    • B、 The VERSIONS BETWEEN clause may be used in DDL statements.
    • C、 The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.
    • D、 The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

    正确答案:C

  • 第14题：

    The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）

    • A、The default administrative distance is used.
    • B、The command is used to establish a static route.
    • C、The command is used to configure the router interfaces.
    • D、The command is used to establish a stub network.
    • E、The subnet mask for the source address is 255.255.255.0

    正确答案:A,B

  • 第15题：

    Which  statements are true regarding the Oracle Data Pump export and import operations（）

    • A、You cannot export data from a remote database.
    • B、You can rename tables during an import operation.
    • C、You can overwrite existing dump files during an export operation.
    • D、You can compress the data during export but not the metadata because it is not supported

    正确答案:B,C

  • 第16题：

    Which of the following statements are true regarding the Recycle Bin？（）

    • A、 The Recycle Bin is a physical storage area for dropped objects.
    • B、 The Recycle Bin is a logical container for dropped objects.
    • C、 The Recycle Bin stores the results of a Flashback Drop operation.
    • D、 The objects in the Recycle Bin are stored in the tablespace in which they were created.

    正确答案:B,D

  • 第17题：

    多选题
    Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
    A

    c=d

    B

    l and k are parallel

    C

    m and l are perpendicular


    正确答案： C,B
    解析：
    根据题目中的已知信息无法推断出各直线的关系，因此B、C均不正确；而由图示可知，c和d分别是a和b的补角，由于a=b，所以c=d，A项正确。

  • 第18题：

    单选题
    Which of the following statements is NOT true about RMAN？（）
    A

    It improves usability by enabling you to reuse the scripts to perform recovery operations.

    B

    It detects block corruption while restoration and recovery operations.

    C

    It enables you to perform block media recovery.

    D

    It is capable to recover through unrecoverable operations， with only full database backups.


    正确答案： A
    解析： 暂无解析

  • 第19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20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21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22题：

    多选题
    Which of the following statements are true regarding the Recycle Bin？（）
    A

    The Recycle Bin is a physical storage area for dropped objects.

    B

    The Recycle Bin is a logical container for dropped objects.

    C

    The Recycle Bin stores the results of a Flashback Drop operation.

    D

    The objects in the Recycle Bin are stored in the tablespace in which they were created.


    正确答案： B,D
    解析： 暂无解析

  • 第23题：

    多选题
    Which statements are true regarding table compression？（）
    A

    It saves disk space and reduces memory usage.

    B

    It saves disk space but has no effect on memory usage.

    C

    It incurs extra CPU overhead during DML as well as direct loading operations.

    D

    It incurs extra CPU overhead during DML but not direct loading operations.

    E

    It requires uncompress operation during I/O.


    正确答案： E,B
    解析： 暂无解析

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