【名词&注释】
水压试验(hydrostatic test)、冷却水(cooling water)、导热性(thermal conductivity)、燃烧室(combustion chamber)、喷油器(injector)、穿透性裂纹、螺旋桨桨叶(propeller blades)
[单选题]An interlock in the remote operating valve line stops the valve () when the engine turning gear is engaged.
A. to open
B. opening
C. open
D. opened
查看答案&解析
查看所有试题
学习资料:
[单选题]吊缸发现燃烧室零件表面有水锈时,表明()产生穿透性裂纹。
A. 活塞
B. 气缸
C. 喷油器
D. 气缸或活塞
[单选题]涡轮壳体腐蚀后,其最小壁厚()设计壁厚的(),壳体冷却水腔经水压试验合格后方可继续使用。
A. 大于/50%
B. 小于/50%
C. 等于/50%
D. 等于/40%
[单选题]赛龙艉轴承材料的缺点是()。Ⅰ.弹性低;Ⅱ.导热性差;Ⅲ.不耐高温;Ⅳ.不耐磨;Ⅴ.寿命低。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ+Ⅳ+Ⅴ
C. Ⅲ+Ⅳ+Ⅴ
D. Ⅱ+Ⅲ+Ⅳ
[单选题]螺旋桨桨叶(propeller blades)变形较小时采用()法校正。
A. 冷态校正
B. 热态校正
C. 机械校正
D. 加热-机械校正
[单选题]加热温度在()以下进行的校正为冷态校正。
A. 室温
B. 0℃
C. 150℃
D. 250℃
[单选题]Exhaust temperature increases in all cylinders, the possible cause may be()(1) increased scavenging air temperature(2) air in fuel pumps and fuel valves(3) fouling of air and gas passages
A. (1)+(2)
B. (1)+(3)
C. (2)+(3)
D. (1)+(2)+(3)
[单选题]Turbocharging of marine diesel engine is achieved by two distinct methods, () termed the constant pressure and the pulse system.
A. respectable
B. respectful
C. respective
D. respectively
[单选题]The replacement piping for diesel engine high pressure fuel systems must be the same length and diameter as the original piping to ().
A. avoid unnecessary pints inventory
B. keep torsional vibration constant
C. use existing supports and braces
D. maintain specified injection characteristic
本文链接:https://www.51bdks.net/show/oqp77o.html