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单选题Before opening and closing the hatches, the spaces around the covers, all the parts and the gears should be （）.A clearedB checkedC removedD repaired

题目
单选题
Before opening and closing the hatches, the spaces around the covers, all the parts and the gears should be （）.
A

cleared

B

checked

C

removed

D

repaired

相似考题

1.We will make a decision before the 30th September.(翻译)

2.请认真阅读以下关于某传输系统的技术说明、状态转换图及C++代码，根据要求回答问题1和问题2。【说明】传输门是传输系统中的重要装置。传输门具有Open(打开)、Closed(关闭)、Opening(正在打开)、StayOpen(保持打开)和Closing(正在关闭)5种状态。触发状态的转换事件有click、complete和timeout 3种，事件与其相应的状态转换如图6-18所示。下面的【C++代码1】与【C++代码2】分别用两种不同的设计思路对传输门进行状态模拟，请填补代码段中的空缺语句。【C++代码1】const int CLOSED = 1; const int PENING = 2;const int PEN = 3; const int CLOSING = 4;const int STAYOPEN = 5; //定义状态变量，用不同整数表示不同状态class Door {private:private:int state; //传输门当前状态void setState(int state) { this-＞state = stale; } //设置当前状态public:Door () :state (CLOSED) { };void getState() { //根据当前状态输出相应的字符串switch(state) {case OPENING: cout ＜＜"OPENING" ＜＜ endl; break;case CLOSED: cout ＜＜ "CLOSED" ＜＜ endl; break;case OPEN: cout ＜＜ "OPEN" ＜＜ endl; break;case CLOSING: cout ＜＜ "CLOSING" ＜＜ endl; break;case STAYOPEN: cout ＜＜ "STAYOPEN" ＜＜ endl; break;}}void click() { //发生click事件时进行状态转换if ( (1) ) setState(OPENING);else if ( (2) ) setState(CLOSING);else if ( (3) ) setState(STAYOPEN);}void timeout() { //发生timeout事件时进行状态转换if (state == OPEN) setState(CLOSING);}void complete() { //发生complete事件时进行状态转换if (state == OPENING) setState(OPEN);else if (state == CLOSING) setState(CLOSED);}};int main(){Door aDoor;aDoor.getState(); aDoor.click(); aDoor.getState(); aDoor.complete();aDoor.getState(); aDoor.click(); aDoor.getState(); aDoor.click();aDoor.getState(); return 0;}【C++代码2】class Door {public:DoorState *CLOSED, *OPENING, *OPEN, *CLOSING, *STAYOPEN, *state;Door();virtual ～Door() { ... //释放申请的内存，此处代码省略};void s

3.How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?A.With gooseneck ventsB.With warning signsC.With flame screensD.With pressure-vacuum relief valves

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更多“Before opening and closing the hatches, the spaces around th”相关问题

  • 第1题：

    Upon completion of fueling a gasoline driven vessel it is necessary to ______.

    A.keep ports，doors，windows，and hatches closed

    B.start engines immediately

    C.ventilate before starting engine

    D.None of the above


    正确答案：C

  • 第2题：

    （） fire doors, windows, hatches, accesses and ventilators.

    • A、Closed
    • B、Close
    • C、Closing

    正确答案:B

  • 第3题：

    开关舱的工作通常是由船员来做。（）

    • A、The work of opening and closing hatches is usually done by crew members.
    • B、The work of opening and closing hatch covers is usually done by crew members.
    • C、The work of opening hatch covers is usually done by crew members.
    • D、The work of closing hatch covers is usually done by crew members.

    正确答案:A

  • 第4题：

    单选题
    The opening or closing of the cylinder starting valve is controlled by （）.
    A

    the starting air distributor

    B

    the cut-off valve on the air main

    C

    the main starting valve

    D

    the air bottle control valve


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
    A

    a vessel is equipped with an automatic smoke or fire detecting system

    B

    the cargo hatches are of steel construction

    C

    the cargo is of a nonflammable type

    D

    there is sufficient fire protection located on the main deck adjacent to the cargo hatch


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）
    A

    Motherboard

    B

    Video card

    C

    Cutoff switch

    D

    AC adapter


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.
    A

    Exemption space

    B

    Tonnage deck

    C

    Cofferdam

    D

    Tonnage opening


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    Icreasing the exhaust valve tappet clearance of a diesel engine will result in the exhaust valve opening （）
    A

    later and closing earlier

    B

    later and closing later

    C

    earlier and closing earlier

    D

    earlier and closing later


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Upon completion of fueling a gasoline driven vessel it is necessary to（）.
    A

    keep ports，doors，windows，and hatches closed

    B

    start engines immediately

    C

    ventilate before starting engine

    D

    None of the above


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）, there being an adequate overlap between the inlet opening and the exhaust closing.
    A

    downwards；upwards

    B

    upwards；downwards

    C

    downwards；downwards

    D

    upwards；upwards


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    The sailor keeping （）watch should clean the gangway, the rails, bulwark and the spaces around the gangway.
    A

    navigation

    B

    gangway

    C

    port

    D

    anchor


    正确答案： A
    解析： 暂无解析

  • 第12题：

    问答题
    翻译：the opening and closing of vessel’s hatches is to be performed by ship’s crew at owner’s expenses.

    正确答案： 开启和关闭船舶货舱工作应由船上人员操作，费用由船东负责
    解析： 暂无解析

  • 第13题：

    It’s going to rain. Don’t forget （）the hatches.

    • A、to close
    • B、to open
    • C、to close and open
    • D、closing

    正确答案:A

  • 第14题：

    翻译：the opening and closing of vessel’s hatches is to be performed by ship’s crew at owner’s expenses.


    正确答案:开启和关闭船舶货舱工作应由船上人员操作，费用由船东负责

  • 第15题：

    单选题
    You are kindly requested to supply the necessary tallymen to do（）on board the ship during the discharging of the cargo.
    A

    the tallying work

    B

    the lashing work

    C

    the clean work

    D

    the work of opening and closing hatches


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    开关舱的工作通常是由船员来做。（）
    A

    The work of opening and closing hatches is usually done by crew members.

    B

    The work of opening and closing hatch covers is usually done by crew members.

    C

    The work of opening hatch covers is usually done by crew members.

    D

    The work of closing hatch covers is usually done by crew members.


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    According to the customs of this port，the work of opening and closing hatch covers is done by （）.
    A

    the ship's officers

    B

    the foreman from the shore

    C

    the ship's hands

    D

    the tally man


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
    A

    frequent opening of hatches to permit entry of fresh air

    B

    regular checks of bilge levels

    C

    use of ear plugs to dampen engine noise

    D

    frequent flushing of the water spray system with fresh water


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    I caught a _____ of the car before it disappeared around the bend.
    A

    glance

    B

    glimpse

    C

    look

    D

    see


    正确答案： A
    解析：
    句意：在那辆车消失在转弯处之前，我瞥见了它。glimpse意为“瞥见”，强调的是动作的结果；glance意为“匆匆一看，一瞥”，强调的是动作的过程；look意为“看，瞧”，have a look at sth.意为“看一看”；see是动词，不能放在冠词a之后。

  • 第20题：

    单选题
    On the day of the opening of your restaurant, you are advised to ______.
    A

    show customers around the building.

    B

    invite some important persons.

    C

    offer some special discounts.

    D

    make an opening speech.


    正确答案： C
    解析：
    根据原文最后一段中的“Consider having some special discounts and door prizes on the day of the grand opening.”可知，在餐厅开业的那天可以考虑提供一些特别折扣或者入场奖品等。因此C项正确。

  • 第21题：

    单选题
    Before opening the hatch covers, all cleats are to be （）.
    A

    released

    B

    secured

    C

    taken away

    D

    sent out


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    When the heat load begins to increase, the needle valve of an expansion valve will（）
    A

    move in an opening direction

    B

    move in a closing direction

    C

    either open or close

    D

    not move at all


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    There shall be（）into sleeping rooms from cargo and machinery spaces or from galleys,storerooms,drying rooms or communal sanitary areas.
    A

    no direct openings

    B

    direct openings

    C

    no more than one direct opening

    D

    up to one direct opening


    正确答案： D
    解析： 暂无解析

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