单选题During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should （）A notify the duty officer, reduce the engine speed, take some measure

题目
单选题
During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should （）
A

notify the duty officer, reduce the engine speed, take some measures to remove failures

B

notify the duty officer and stop the engine immediately, find the cause and remove failures

C

notify the C/E

D

notify the captain

相似考题

1.Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.A.open the indicator cocksB.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C.put the fuel handle in the "stop" positionD.pump up the air bottle

2.单选题If a diesel engine were running at 20% overload with a smoky exhaust, you should（）A stop the engine immediately to prevent damageB increase lube oil pressureC slow the engine allowing it to gradually coolD decrease the cooling water it temperature to the water jacket

3.单选题The main purpose of starting the diesel engine on air briefly is（）A to inspect if the cylinder has the water leakageB to expel out the residual water/gas/oil from the cylinderC to check if fuel supply is normalD A and B

4.If you are unable to stop a diesel engine by any other means，you should ______．A.Discharge a CO2 extinguisher in the air inletB.Pull off the distributor capC.Secure the jacket waterD.Secure the starting air supply valve

更多“During the running of the diesel engine, if the supply of co”相关问题

  • 第1题：

    单选题
    If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）
    A

    Move the fuel control mechanism to the no fuel position

    B

    Block the fuel supply by closing the master fuel valve

    C

    Shut off the fuel supply and block the flow of intake air

    D

    Relieve all pressure in the fuel system


    正确答案： B
    解析： 暂无解析

  • 第2题：

    单选题
    Diesel engine injection lag is caused by（）
    A

    compressibility of the fuel

    B

    high fuel oil supply flow

    C

    scored plunger and barrel packing

    D

    excessive air turbulence


    正确答案： C
    解析： 暂无解析

  • 第3题：

    单选题
    Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by （）
    A

    increasing the quantity of starting air

    B

    increasing the lube oil pressure

    C

    heating the engine fuel supply

    D

    heating the engine coolant


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    A dark exhaust from a running diesel engine can be caused by （）
    A

    late ignition

    B

    water in the fuel

    C

    high compression temperature

    D

    starting valve stuck open


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    What is the purpose of the intake/exhaust valves in a diesel engine? （）
    A

    They regulate the combustion cycle

    B

    They supply cooling water

    C

    They synchronize the ignition spark

    D

    They supply and regulate the lubricant flow


    正确答案： B
    解析： 暂无解析

  • 第6题：

    单选题
    During the diesel engine running, the water level of FW expansion tank should normally kept in the （） level of glass tube.
    A

    the highest

    B

    above 3/4

    C

    1/2-3/4

    D

    the lowest


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    The purpose of the flywheel of a diesel engine is to （）.
    A

    counterbalance the crank throws on the crankshaft

    B

    keep the engine running smoothly between power stroke

    C

    provide a belt-driving surface for the operation of auxiliary machinery

    D

    prevent the engine from overspeeding


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）
    A

    piston skirt

    B

    pinion

    C

    crosshead

    D

    compression rings


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
    A

    the highest

    B

    above 3/4

    C

    1/2 -3/4

    D

    the lowest


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?（）
    A

    Intake stroke

    B

    Compression stroke

    C

    Exhaust stroke

    D

    Pumping stroke


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A restricted air intake to a diesel engine may result in the engine （）.
    A

    failing to reach rated speed

    B

    knocking under maximum load

    C

    hunting or surging under light load

    D

    overspeeding and running away


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A piston in a four-stroke/cycle diesel engine makes four strokes during each （）.
    A

    crankshaft revolution

    B

    mechanical cycle of operation

    C

    period of two combustion cycles

    D

    cycle of two events


    正确答案： B
    解析： 暂无解析

  • 第13题：

    单选题
    What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）
    A

    Crankshaft revolution

    B

    Type of engine (diesel or gasoline)

    C

    Distance a piston travels during a stroke

    D

    Number of pistons


    正确答案： B
    解析： 暂无解析

  • 第14题：

    单选题
    If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an （）
    A

    excessively late injection timing for each cylinder

    B

    incorrectly adjusted intake valve timing

    C

    incorrectly adjusted fuel injector

    D

    incorrectly adjusted intake valve clearance


    正确答案： A
    解析： 暂无解析

  • 第15题：

    单选题
    The power developed by a large slow-speed main propulsion diesel engine is dependent upon the （）
    A

    quantity of air it takes in and retains in the cylinders during a given time period

    B

    proportion of trapped air that is utilized in the combustion process

    C

    thermodynamic efficiency of the engine cycle

    D

    all of the above


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    If you are unable to stop a diesel engine by any other means，you should（）.
    A

    discharge a CO2 extinguisher in the air inlet

    B

    pull off the distributor cap

    C

    secure the jacket water

    D

    secure the starting air supply valve


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    What is one effect of running a diesel engine at too cool a temperature? （）
    A

    Buildup of sludge in the lubricating system

    B

    Excessive fuel consumption

    C

    Severe heat stresses on mechanical parts

    D

    Foaming of the lubricating oil


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）
    A

    Bed plate

    B

    Column

    C

    Entablature

    D

    Tie rod


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is securedThis problem may be a result of （）
    A

    low loading of that cylinder

    B

    faulty combustion in that cylinder

    C

    sluggish piston ring action

    D

    excessive piston cooling


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    A diesel engine cranks properly during starting but immediately stallsWhich of the following systems is most likely at fault?（）
    A

    Hydraulic starting

    B

    Electric starting

    C

    Ignition

    D

    Fuel


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
    A

    fuel treatment

    B

    fuel combustion

    C

    fuel injection

    D

    fuel separating


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Diesel engine lube oil can become contaminated as a result（）
    A

    the water produced during combustion

    B

    the sulfur in the fuel

    C

    unburned fuel oil

    D

    all of the above


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during the （）.
    A

    intake stroke

    B

    exhaust stroke

    C

    power stroke

    D

    compression stroke


    正确答案： B
    解析： 暂无解析

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