[单选题]将主轴颈下沉量视为主轴承下瓦的磨损量是由于（）。

正确答案 ：B

忽略曲轴主轴颈的磨损量

[单选题]Blow-off of the relief valves of the main cylinders during operation indicates （）.

正确答案 ：C

the cams are not properly set

[单选题]The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.

正确答案 ：A

nip

[单选题]Vee-type engines have the connecting rods from two cylinders connected to each （） of the crankshaft.

正确答案 ：A

throw

[单选题]The highest pressure in a diesel engine cylinder normally occurs （）.

正确答案 ：C

after TDC

查看原题 查看所有试题