单选题In the event of a flame failure in an auxiliary water-tube boiler, you must（）A relight the boiler immediately to prevent loss of steam pressureB relight the fire off the brickwork as the bricks are cherry redC purge the furnace of any combustible gases

题目
单选题
In the event of a flame failure in an auxiliary water-tube boiler, you must（）
A

relight the boiler immediately to prevent loss of steam pressure

B

relight the fire off the brickwork as the bricks are cherry red

C

purge the furnace of any combustible gases before attempting to relight the fire

D

speed up the feed pump to prevent dry firing when the burner flame is reestablished

相似考题

1.失效时间failure event(名词解释)

2.The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler ______.A.steam demand is highB.salinity is highC.safety valve simmers(爆发)D.burner flame is extinguished

3.All of the followings are the detainable deficiencies under the SOLAS Convention except ______.A.failure of proper operation of propulsion and other essential machinery, as well as electrical installationB.failure of the proper operation of the main and auxiliary steering gearC.failure of engineering watch arrangements to conform to the requirements specified for the ship by AdministrationD.failure of the proper operation of emergency generator, lighting, batteries and switches

4.A ()is a copy of a file for use in the event of failure or loss of the original.A.second storageB.bufferC.backupD.database

参考答案和解析
正确答案： D
解析： 暂无解析
更多“In the event of a flame failure in an auxiliary water-tube b”相关问题

  • 第1题：

    What happens on failure of a pre or post event script？（）

    • A、The error is logged and HA will continue processing
    • B、If configured， a recovery command will be run to deal with the problem
    • C、An event error is generated and 3 minutes later the cluster will enter config_too_long state
    • D、An event error is generated and 6 minutes later the cluster will enter config_too_long state

    正确答案:A

  • 第2题：

    为方便分析和找到问题，在EVENT窗口一般会选择哪些选项（）

    • A、handover
    • B、drop call
    • C、block call
    • D、handover failure

    正确答案:A,B,C,D

  • 第3题：

    单选题
    （） is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.
    A

    Reverse current protection

    B

    Reverse power protection

    C

    Synchronising device

    D

    Frequency meter


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    What happens on failure of a pre or post event script？（）
    A

    The error is logged and HA will continue processing

    B

    If configured， a recovery command will be run to deal with the problem

    C

    An event error is generated and 3 minutes later the cluster will enter config_too_long state

    D

    An event error is generated and 6 minutes later the cluster will enter config_too_long state


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    In the event of a flame failure in an auxiliary water-tube boiler, you must（）
    A

    relight the boiler immediately to prevent loss of steam pressure

    B

    relight the fire off the brickwork as the bricks are cherry red

    C

    purge the furnace of any combustible gases before attempting to relight the fire

    D

    speed up the feed pump to prevent dry firing when the burner flame is reestablished


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）
    A

    The safety valve escape piping should be disconnected from the valve body and a blank inserted

    B

    The boiler vent valves should be opened

    C

    All handhole/manhole covers should be tightened up as much as possible to preclude any leaks

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically“the line” in this sentence refers to（）
    A

    fuel manifold

    B

    lubricating pipe line

    C

    auxiliary engine pipe line

    D

    generator output line


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler （）
    A

    steam demand is high

    B

    salinity is high

    C

    safety valve simmers

    D

    burner flame is extinguished


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?（）
    A

    clean the flame scanner photocell window

    B

    Inspect and clean all solenoid valves

    C

    lift the safety valves by hand

    D

    Inspect for oil or water leaks


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Excessive vibration of an automatically fired auxiliary boiler can be caused by （）
    A

    air or water in the furnace

    B

    combustion pulses

    C

    fuel oil pump failure

    D

    flame failure


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Improper maintenance of the fuel oil burners in an automatically fired auxiliary boiler, could result in （）
    A

    increased fuel consumption

    B

    increased feed water consumption

    C

    fuel pump failure

    D

    combustion control system failure


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Flame failure in an automatically fired auxiliary boiler can from a/an （）
    A

    incorrect electrode setting

    B

    incorrect nozzle position

    C

    clogged fuel nozzle

    D

    broken high tension lead


    正确答案： D
    解析： 暂无解析

  • 第13题：

    失效时间failure event


    正确答案: 指反映治疗效果特征的事件，又称为死亡事件，终点事件。它是根据研究目的确定，是生存分析的基石，在设计时必须明确规定，并在研究中严格遵守。

  • 第14题：

    While reviewing the hacmp.out after a node failure，an administrator realizes that the custom Event queue_down did not execute. The queue_down event shows up when a list of custom events is displayed.  What would be the next logical step to resolve this problem？（）

    • A、 Delete the custom event and add a pre event and synchronize.
    • B、 Synchronize the cluster and recheck the cluster custom events.
    • C、 Create an application server that will stop and start the queues.
    • D、 Add a pre or post event to appropriate cluster events and synchronize.

    正确答案:D

  • 第15题：

    单选题
    The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner（）
    A

    in the event of a flame failure

    B

    in the event of a stack fire

    C

    when the water level reach the crown sheet

    D

    when the feed pump discharge pressure drops to a preset minimum


    正确答案： D
    解析： 暂无解析

  • 第16题：

    单选题
    In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）
    A

    The safety valve escape piping should be disconnected from the valve body and a blank inserted

    B

    The boiler vent valves should be opened

    C

    All hand-hole/manhole covers should be tightened up as much as possible to preclude any leaks

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    The rate of heat transfer in a water-tube auxiliary boiler can be increased by （）.
    A

    operating the boiler at less than normal water level

    B

    installing fins on the firesides of water-tubes

    C

    increasing the amount of excess air to the burners

    D

    treating the boiler water with chemical oxygen scavengers


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    A smoking burner with a pulsating flame in auxiliary boiler, is an indication that the（）
    A

    fuel oil supply temperature is normal

    B

    burner electrode is incorrectly positioned

    C

    fuel／air ratio is incorrect

    D

    ignition current is too low


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be （）
    A

    a glazed surface on the spring

    B

    nicks in the protective coating

    C

    a build up of sludge deposits

    D

    cracks in the surface of the spring


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    The flame safeguard control system of a large automatic auxiliary boiler will provide fuel shut off in the case of high （）.
    A

    water

    B

    voltage

    C

    fuel pressure

    D

    steam pressure


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    When there is a flame failure in an automatically fired auxiliary boiler, the （）.
    A

    air supply is shut off

    B

    fuel supply is shut off

    C

    water supply is shut off

    D

    safety valve lifts


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Ignition failure in an automatically controlled auxiliary boiler could be caused by（）
    A

    carbon deposits on the flame scanner

    B

    high fuel oil temperature

    C

    low fuel oil viscosity

    D

    high steam pressure


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Bottom blow valves are installed on auxiliary water-tube boilers to （）
    A

    completely drain the boiler in an emergency

    B

    prevent sludge from forming in the drum

    C

    remove floating impurities from the boiler water surface

    D

    remove settled solids from the water drum


    正确答案： B
    解析： 暂无解析

  • 第24题：

    名词解释题
    失效时间failure event

    正确答案： 指反映治疗效果特征的事件，又称为死亡事件，终点事件。它是根据研究目的确定，是生存分析的基石，在设计时必须明确规定，并在研究中严格遵守。
    解析： 暂无解析

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