正确答案: A

251.5mm

题目：6250型船用柴油机气缸套最大内径增量为1.5mm，则最大缸径为（）。

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]船舶轴系是从（）起至（）止。

曲轴尾法兰/艉轴

[单选题]衡量轴系同轴度实测值δ总、φ总的标准，下列（）的说法不正确。

当δ总max＜φ总max，φ总＜φ总max时符合要求

[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。

Ⅰ＋Ⅴ

[单选题]As a heat engine,（） energy is the source of power by which the diesel engine can be operated.

heat

[单选题]On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.

the flange

[单选题]The rate of heat transfer in a water-tube auxiliary boiler can be increased by （）.

installing fins on the firesides of water-tubes

[单选题]Poor combustion in a diesel engine can be caused by （）.

low intake air temperature