【名词&注释】
业务水平(professional level)、具体化(embodiment)、船舶动力装置(marine power plant)、转子动平衡(rotor balancing)、实际情况(actual situation)、测量精度高(high measuring accuracy)、增压器转子(blower rotor)
[单选题]Administrations should bear in mind the significance of () in maintaining safety of life and property at sea and in preventing marine pollution.
A. advanced nautical equipment
B. advanced performance main engines
C. emergency equipment
D. communication and language skill
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学习资料:
[单选题]可靠度将可靠性具体化、定量化,它是可靠性的()。
A. 定性定义
B. 定量定义
C. A,B均可
D. A,B都不对
[单选题]对于可靠性和可靠度的表述,不能采用的是()。
A. 可靠性与可靠度各自有不同的定义
B. 可靠性的定量定义称为可靠度
C. 在可靠性技术中需要定量化,经常不把两者严格区分开来
D. 可靠性与可靠度都有严格的定义,任何时候都不可混同起来
[单选题]船舶动力装置可靠性好的设计,主要应考虑到()。Ⅰ.选用可靠度高的设备和零部件;Ⅱ.分析部件的不同连接方式;Ⅲ.提高船舶管理人员的业务水平
A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ+Ⅱ
D. Ⅰ+Ⅱ+Ⅲ
[单选题]吊缸检修的基本过程包括()。
A. 拆卸与清洗
B. 检测与修理
C. 安装与调试
D. 以上均是
[单选题]测量曲轴臂距差时,要求在()情况下进行,以保证测量精度高(high measuring accuracy)和与实际情况相符。Ⅰ.柴油机正车运转;Ⅱ.柴油机倒车运转;Ⅲ.装表位置不变;Ⅳ.一次装表;Ⅴ.不更换表。
A. Ⅰ+Ⅲ+Ⅳ
B. Ⅲ+Ⅳ
C. Ⅰ+Ⅳ+Ⅴ
D. Ⅰ+Ⅳ
[单选题]增压器转子(blower rotor)动平衡检验后,要求达到()。
A. e≤[e]
B. e≥[e]?
C. FR≤[FR]
D. FR≥[FR]
[单选题]Vents are led from the engine to head tank () from the cooling water.
A. for the release of air
B. for the release of water
C. in order to the release of air
D. because the release of air
[单选题]Increasing the valve clearance between a valve stem and rocker arm, will result in the valve ()
A. closing later
B. opening sooner
C. staying open for a shorter period of time
D. staying open for a longer period of time
[单选题]What function is provided by the crankcase ventilation system on some diesel engines?()
A. Increases the sludge forming tendency of lube oil
B. Prevents the accumulation of combustible gases
C. Improves lube oil cooling
D. Improves cold weather starting
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