网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Compressed air is used on board ship （）.
A
for starting diesel engines
B
in pneumatic control system
C
in pneumatic tools
D
All the above are true
参考答案
参考解析
解析：
暂无解析
更多 “单选题Compressed air is used on board ship （）.A for starting diesel enginesB in pneumatic control systemC in pneumatic toolsD All the above are true” 相关考题
考题
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.A.large conical springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure
考题
Restrictions occurring in the small orifices(孔) of pneumatic control system components can be caused by ______.A.moisture in the compressed air supplyB.excessive dryness in the compressed air supplyC.pressure surging in the compressed air receiverD.insufficient lubrication of the system components
考题
What is the function of an air receiver in the compressed air system on a ship?A.Condenses moistureB.Provides overpressure protectionC.Purifies the airD.Acts as an accumulator
考题
水手应该知道船上吊杆的安全工作负荷。（）A、Sailors should know the SWL of cranes on board their ship.B、Sailors should know the SWL of derricks on board their ship.C、Officers should know the SWL of derricks on board their ship.D、Officers should know the SWL of cranes on board their ship.
考题
Which cleaning product should be used for the inside of a computer？（）A、glass cleanerB、a simple ammonia and water solution followed by an antistatic solutionC、a bleach solution followed by waterD、compressed air
考题
船舶的舱盖有多种类型。（）A、There are several types of hatch covers on board ship.B、There are several types of hatches on board ship.C、There is one type of hatches on board ship.D、There is one type of hatch covers on board ship.
考题
The most common kinds of （）used on board ship are as follows: primer coat, undercoat, topcoat, heat-resistant paint, varnish and anti-fouling paint.A、cement washB、bitumenC、paintD、varnish
考题
在船上，打扫卫生是经常性工作。（）A、Cleaning is a frequent job at sea.B、Painting is a frequent job on board a ship.C、Cleaning is a frequent job on board a ship.D、Repairing is a frequent job on board a ship.
考题
单选题船舶的舱盖有多种类型。（）A
There are several types of hatch covers on board ship.B
There are several types of hatches on board ship.C
There is one type of hatches on board ship.D
There is one type of hatch covers on board ship.
考题
单选题What is the function of an air receiver in the compressed air system on a ship? （）A
Condenses moistureB
Provides overpressure protectionC
Purifies the airD
Acts as an accumulator
考题
单选题When used in conjunction with a turbocharger, the main function of an after-cooler is to （）A
increase the density of the cylinder air chargeB
prevent turbocharger overheatingC
liminate the need for a pre-coolerD
remove moisture from air compressed by the turbocharger
考题
单选题（）on board ship are used to control and distribute the electrical energy generated by generators.A
GovernorsB
AlternatorsC
BlackboardsD
Switchboards
考题
单选题Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）A
Holding the valve open for a long periodB
Increasing the starting air pressure usedC
Opening the stating air valve quicklyD
Reducing the starting air valve size
考题
单选题Restrictions occurring in the small orifices of pneumatic control system components can be used by （）A
moisture in the compressed air supplyB
excessive dryness in the compressed air supplyC
pressure surging in the compressed air receiverD
insufficient lubrication of the system components
考题
单选题On board supply vessels, a centrifuge is normally used to purify（）A
cooling waterB
fuel oilC
sea waterD
diesel intake air
考题
单选题（）means a plan developed to ensure the application of measures on board the ship designed to protect persons on board, cargo, cargo transport units, ship’s stores or the ship from the risks of a security incident.A
Ship security planB
Company security planC
Port facility security planD
National security plan
考题
单选题Air line lubricators are used in compressed air systems to lubricate （）.A
the suction and discharge valvesB
tools and equipment served by compressed airC
air line reducing valvesD
all of the above
考题
单选题Broken valve strips in an operating low pressure, air compressor will cause （）.A
an immediate crankcase explosionB
oil contamination in the compressed airC
a decrease in compressor capacityD
no immediate loss of the compressed air capacity
考题
单选题Compressed air is supplied by air compression to （）.A
the air receiversB
the starting valvesC
the cylinder coversD
the distributors
考题
单选题The compressed air is supplied by （） to the air reservoirs.A
compressorsB
forced fansC
ventilatorsD
generators
考题
单选题If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the （）.A
combustion control air systemB
supply air systemC
ships service air systemD
low pressure deck air system
考题
单选题Compressed air is used on board ship for all the following purposes except （）.A
starting diesel enginesB
pneumatic control systemsC
pneumatic toolsD
supercharging air
考题
单选题在船上，打扫卫生是经常性工作。（）A
Cleaning is a frequent job at sea.B
Painting is a frequent job on board a ship.C
Cleaning is a frequent job on board a ship.D
Repairing is a frequent job on board a ship.
考题
单选题According to the ship emergency plan, when average accident happened and the captain made the decision to withdraw from the engine room before leaving the engine room, the wrong operation is that （）A
the chief engineer leaves the engineer room with the engine room log book at firstB
releasing compressed air in the air receiver and closing the watertight doorC
stopping all the running machineries and electric devicesD
closing the quick-closing valves of all the oil tanks, stopping the boiler and releasing gas
考题
单选题What type of electric motor is most commonly used on board ship?（）A
non-synchronous electric motorB
synchronous electric motorC
fully enclosed electric motorD
watertight electric motor
热门标签
最新试卷
