更多"VIT means （）"的相关试题:
[单项选择]With VIT unit the timing of fuel injection of an engine can be regulated automatically according to the （）.
A. ship draft
B. pitch
C. engine load
D. oil viscosity
[单项选择]With VIT the start of injection may be （） as the engine load is reduced within a certain range.
A. advanced
B. retarded
C. relayed
D. cut off
[单项选择]可变喷油定时（VIT）机构的作用是（）。
A. 调节喷油压力，保证雾化质量
B. 调节喷油压力，提高油束贯穿距离
C. 调节循环供油量以改变柴油机输出功率
D. 调节供油定时在部分负荷时提高爆压并在标定工况时限制最高爆压
[单项选择]采用VIT机构可以降低燃油消耗率的主要原因是（）。
A. 提高标定工况下的爆发压力
B. 保持平等有效压力值不变
C. 提高部分负荷下的爆发压力
D. 限制供油量
[单项选择]AVAST means（）.
A. let go
B. pull
C. slack off
D. stop
[单项选择]Nimbus means（）.
A. rain
B. high
C. layer
D. cirrus
[单项选择]Inerting means（）.
A. the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume
B. the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume
C. the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo
D. All of the above
[单项选择]Sulzer RTA柴油机凸轮式VIT结构是通过调节（）的位置来调整定时的。
A. 进油偏心轮
B. 回油偏心轮
C. 进油阀顶杆
D. 回油阀顶杆
[单项选择]现代小缸径（缸径D<480mm）船用超长行程柴油机使用的VIT机构均为（）。
A. VIT齿条
B. VIT凸轮
C. 升降套筒
D. 柱塞头部上边缘特殊控制线型
[单项选择]First aid means（）.
A. medical treatment of accident
B. setting of broken bones
C. emergency treatment at the scene of the injury
D. dosage of medications
[单项选择]International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
A. 518
B. 2182
C. 156.8
D. 2187.5
[单项选择]CAN YOU BEACH means（）.
A. can you go to the beach
B. can you run the vessel upon a beach to prevent its sinking in deep water
C. can you handle the vessel along the beach
D. can berth along the beach
[单项选择]Backing means the wind（）.
A. is changing clockwise in direction
B. is changing anticlockwise in direction
C. is changing cyclonically or variably in direction
D. remains unchanged in direction at the time
[单项选择]“Destination” means（）.
A. the last port
B. the home port
C. the port of registry
D. the final port the voyage
[单项选择]Remote control means that （）.
A. the system is manned manually
B. the system is situated remotely from the operator
C. the system is controlled automatically
D. all the above
[单项选择]HARD RIGHT RUDDER means（）.
A. put the rudder over to the right all the way
B. jam the rudder against the stops
C. meet a swing to the right，then return to amidships
D. put the rudder over quickly to 15°right rudder
[单项选择]The abbreviation TDC means （）.
A. top dead center
B. temperature difference center
C. time delay dock
D. top diesel company
[单项选择]The abbreviation BDC means （）.
A. Boston Diesel Company
B. base circle diameter
C. switch board case
D. bottom dead center
