【名词&注释】
耐磨性(wear resistance)、柴油机(diesel engine)、绝缘性(insulating)、中国船级社(china classification society)
[单选题]中国船级社(china classification society)要求营运船舶的曲轴臂距差()时,应立即停航修理。
A. <0.125S
B. (0.125~0.25)S
C. >0.25S
D. >0.30S
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学习资料:
[单选题]在船上拆卸下列中、低速柴油机的螺栓时可能使用液压拉伸工具()。Ⅰ.底脚螺栓;Ⅱ.贯穿螺栓;Ⅲ.气缸盖螺栓;Ⅳ.主轴承螺栓;Ⅴ.连杆螺栓。
A. Ⅱ+Ⅲ+Ⅳ+Ⅴ
B. Ⅱ+Ⅲ+Ⅳ
C. Ⅰ+Ⅱ+Ⅲ+Ⅳ
D. Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ
[单选题]桦木层压胶木是铁梨木的代用材料,具有材质致密、坚硬、耐热、绝缘性好、成材率高,缺点是()。Ⅰ.耐磨性差;Ⅱ.耐蚀性差;Ⅲ.耐水浸性差;Ⅳ.刚性差;Ⅴ.脆性大。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅴ
C. Ⅱ+Ⅴ
D. Ⅱ+Ⅳ
[单选题]The injector pump is operated by a cam which drives () up and down.
A. the needle valve
B. the plunger
C. the piston
D. the cylinder
[单选题]What condition will result in the automatic shutdown of a diesel engine? ()
A. High jacket water pressure
B. High lube oil pressure
C. Low lube oil pressure
D. Excessive turbo charger speed
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