
【名词&注释】
深度基准(depth base)、水分离器(water separator)、进出口阀、高程基准面(height datum)、具体规定(specific stipulations)
[单选题]Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?
A. compression must be low for effective spark ignition
B. compression must be low for required horsepower and torque generation
C. compression must be low to prevent pre-ignition
D. compression must be low to have effective pre-ignition
查看答案&解析
点击获取本科目所有试题
举一反三:
[单选题]整个船舶应急电源的布置,应能在船舶横倾______度和(或)纵倾______度时仍起作用。
A. 15/10
B. 22.5/10
C. 15/7.5
D. 22.5/7.5
[单选题]中版海图的山头、岛屿、明礁的高程起算面采用()为深度基准。
A. 理论最低潮面
B. 1985国家高程基准面
C. 当地平均海图
D. B或C
[单选题]The bridge should inform the engine room______before passing through congested or shallow waterway.
A. 24 hours
B. 2 hours
C. 1 hour
D. 15 minutes
[单选题]STCW公约附则第______,以及STCW规则______对于值班安排和应遵循的原则等作出了具体规定(specific stipulations)。
A. 一章/A部分、C部分
B. 三章/A部分、B部分
C. 五章/A部分、C部分
D. 八章/A部分、B部分
[单选题]油水分离器停用前,应引入海水继续运行______,停泵后关闭油水分离器的______以减少内壁氧化腐蚀。
A. 15min/进口阀
B. 15min/进出口阀
C. 30min/出口阀
D. 30min/进口阀
[单选题]____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.
A. The watch keeping personnel
B. The chief engineer
C. The person on a bunker barge
D. The duty deck officer
本文链接:https://www.zhukaozhuanjia.com/download/wr454g.html