【名词&注释】
柴油机(diesel engine)
[单选题]当铁梨木艉轴承的轴承间隙超过极限间隙,但铁梨木板条的厚度仍在要求范围以内时,可采用()方法修理。Ⅰ.更换艉轴;Ⅱ.更换艉轴铜套;Ⅲ.在艉轴承下瓦下面垫入整张铜皮;Ⅳ.更换艉轴承衬套;Ⅴ.在艉轴承下瓦上面垫入整张铜皮。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ+Ⅳ+Ⅴ
C. Ⅲ+Ⅳ+Ⅴ
D. Ⅱ+Ⅲ+Ⅳ
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学习资料:
[单选题]为了实现柴油机的设计性能和可靠运转,必须保证()。
A. A.固定件的相对位置的精度
B. B.活塞运动部件的相对位置精度
C. C.固定件的相对位置的精度和活塞运动部件的相对位置精度
D. D.活塞运动部件的对中性
[单选题]舵杆上有()条细小的纵向裂纹时可以钳工修磨。
A. 1~2
B. 2~3
C. 3~4
D. 4~5
[单选题]Engine fuel pump index is ().
A. the viscosity index
B. the fuel oil contents
C. the starting speed
D. the reading at the rack
[单选题]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
[单选题]In a diesel engine, excessive cylinder liner wear will cause ()(1) increased blow-by(2) wear between the piston ring and groove
A. (1) only is correct
B. (2) only is correct
C. both (1) and (2) are correct
D. neither (1) or (2) axe correct
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