单选题For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.A emptyB fully ballastedC partially ballastedD sealed

题目
单选题
For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.
A

empty

B

fully ballasted

C

partially ballasted

D

sealed

相似考题

1.Ropes of wires attached to derricks to prevent them from swinging during cargo handling operations are ______.A.PreventersB.Side ropesC.StaysD.Guide lines

2.When commencing cargo operations on a container ship，one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ______.A.remove an existing list that would slow down cargo operationsB.initiate loading in conjunction with unloading at the hatchC.improve stability during cargo operationsD.allow longshoremen easy access to the hatch

3.Which safety precaution（s）should be observed during crane operations ________．A.Checking for proper lifting from beneath the load during cargo operationsB.Using the proper slings or other lifting devices during cargo operationsC.Relaying communications to port agents on the pier during cargo hoistsD.All of the above

4.View the Exhibit for some of the parameter settings. You start a session and issue the following command:SQL>CREATE INDEX emp_ename ON emp(ename) TABLESPACE users INVISIBLE;What is the outcome of the above command?（）A. The index is not used by the optimizer but is maintained during DML operations.B. The index is not used by the optimizer and is not maintained during DML operations.C. The index is used by the optimizer only if a hint is specified in the query statement and is maintained during DML operations.D. The index is used by the optimizer only if a hint is specified in the query statement but is not maintained during DML operations.

参考答案和解析
正确答案： B
解析： 暂无解析
更多“For optimum stability during jacking operations，mat ballast”相关问题

  • 第1题：

    After jacking down your liftboat you have an unexpected list．You find that the only cause of this list must be a flooded leg．Raising the flooded leg further would adversely affect the boats stability by ______．

    A.Raising the KG and increasing the draft which may put you in an unsafe operating condition

    B.Increasing GM and causing a fast roll

    C.Increasing the righting arm on the high side

    D.Causing the vessel to yaw when underway


    正确答案：A

  • 第2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3题：

    单选题
    When commencing cargo operations on a container ship，one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to（）.
    A

    remove an existing list that would slow down cargo operations

    B

    initiate loading in conjunction with unloading at the hatch

    C

    improve stability during cargo operations

    D

    allow longshoremen easy access to the hatch


    正确答案： D
    解析： 暂无解析

  • 第4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5题：

    单选题
    The temperature of the fuel oil received during bunkering operation is critical in determining the （）
    A

    expansion space to leave in a tank

    B

    flash point at which the fuel will burn

    C

    temperature to which the fuel must be heated

    D

    rate at which the fuel can be pumped during transfer operations


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.
    A

    empty

    B

    fully ballasted

    C

    partially ballasted

    D

    sealed


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    During jacking operations and transit，empty void spaces in the hull of a jack up ship provide（）.
    A

    buoyancy

    B

    extra storage space

    C

    additional tank capacity

    D

    reduced stability


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    （） shall be provided to every oil tanker of 150 tons gross tonnage and above to record relevant machinery space and cargo/ballast operations.
    A

    Oil Record Book Part Ⅰ

    B

    Oil Record Book Part Ⅱ

    C

    Oil Record Book Part Ⅰ or Part Ⅱ

    D

    Oil Record Book Part Ⅰ and Part Ⅱ


    正确答案： D
    解析： 暂无解析

  • 第9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

  • 第10题：

    单选题
    During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）.
    A

    The designated person in charge

    B

    The tankerman

    C

    The senior able seaman

    D

    The oiler


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    The temperature of the fuel oil received during bunkering operations is critical in determining the（）
    A

    expansion space to leave in a tank

    B

    flash point at which the fuel will burn

    C

    temperature to which the fuel must be heated

    D

    rate at which the fuel can be pumped during transfer operations


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.
    A

    better control capabilities

    B

    less maintenance and repair

    C

    fewer personnel needed during jacking

    D

    less preload needed


    正确答案： C
    解析： 暂无解析

  • 第13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14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15题：

    多选题
    Which two operations require undo data？（）
    A

    committing a transaction

    B

    rolling back a transaction

    C

    recovering from failed transactions

    D

    recording a transaction to redo log files

    E

    rolling forward during instance recovery


    正确答案： E,A
    解析： 暂无解析

  • 第16题：

    单选题
    Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.
    A

    increasing the permeability of the pumproom

    B

    reduction of drill water from the storage tanks

    C

    a list caused by water filling the compartment

    D

    a reduced KG caused by water filling the compartment


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    What is NOT a problem area when loading barges on a LASH type vessel? （）
    A

    Frequent stability calculations required

    B

    Thorough pre-planning required

    C

    Limiting depths alongside berths restrict barge drafts

    D

    Minimum trim and 0°list are required for optimum operations


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control system
    A

    （1）only

    B

    （2）only

    C

    both（1）and（2）

    D

    neither（1）nor（2）


    正确答案： B
    解析： 暂无解析

  • 第19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20题：

    单选题
    Check our website for ______ information regarding flight schedules during irregular airline operations.
    A

    almost

    B

    quite

    C

    a lot

    D

    more


    正确答案： C
    解析：
    句意：在航班不按规定航线飞行时，请登录我们的网站查询更多关于飞行时间的信息。空格处修饰不可数名词名词information。选项中只有more符合题意。almost是副词，不能修饰名词。quite作副词，意为“相当地”，不能直接出现在名词之前。若用lot则应为a lot of。regarding关于。flight schedule飞行时刻表。irregular不规则的，无规律的。airline航线。operation操作，实施。

  • 第21题：

    单选题
    To ensure the ship’s general stability，（）.
    A

    she's loaded a little deeper forward

    B

    she's loaded a little deeper aft

    C

    she has not any ballast at all

    D

    the cargo is properly distributed throughout the ship


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    To improve your vessel’s stability in a hazardous situation，you should（）.
    A

    ballast deep tanks if they are slack

    B

    transfer ballast athwartships

    C

    pump out double bottoms

    D

    fill double bottoms from deep tanks


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    opes or wires attached to derricks to prevent them from swinging during cargo handling operations are（）.
    A

    Preventers

    B

    Side ropes

    C

    Stays

    D

    Guide lines


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
    A

    Jack the vessel back up to a safe height

    B

    Proceed on to your next destination since the list is unimportant

    C

    Pump out all ballast to gain reserve buoyancy

    D

    Notify the Coast Guard


    正确答案： A
    解析： 暂无解析

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