正确答案: B
An alarm
题目:() at the end of the distribution pipe ensures that adequate pressure is maintained by the pump.
查看原题 查看所有试题
学习资料的答案和解析:
[单选题]在检查和调整主机回油阀调节式喷油泵的供油量均匀性时,对始终点调节式喷油泵,可通过转动进回油阀阀杆下的调节螺钉改变顶杆长度,从而调节柱塞的有效行程。当进油阀的顶杆伸长时,柱塞的有效行程(),回油阀的顶杆伸长时,柱塞的有效行程()。
变大/变小
[单选题]艉轴裂纹主要发生在()等处。Ⅰ.法兰根部;Ⅱ.工作轴颈;Ⅲ.铜套接缝处轴颈;Ⅳ.键槽根部;Ⅴ.锥部大端截面变化。
Ⅲ+Ⅳ+Ⅴ
[单选题]Fuel oil is pumped by means of () from the bunker tanks.
a transfer pump
[单选题]What preventative maintenance should be done frequently to diesel engine starting air receivers?()
Drain the accumulated moisture