题目内容

Water accumulation in the cylinder of a secured engine is an indication that the ()

A. soft water pump was not secured along with the engine
B. jacket water thermostat has failed
C. cylinder liner may be cracked
D. raw water pump is over-speeding just prior to engine shutdow

查看答案
更多问题

CTCS-2级列控系统车站入口处的有源应答器的信息丢失时,机车NBP为()km/h。

A. 45
B. 50
C. 55
D. 80

哪种诊断工具允许用户在远端位置查看通过核心网的基于每个业务的流量()

A. MAC ping
B. Mirror
C. MAC跟踪

数据通信技术的研究和发展开始于20世纪()年代。

A. 50
B. 60
C. 70
D. 80

当风压差小于10~15时,风压差与风舷角QW()。

A. 成正比
B. 成反比
C. 的正弦成正比
D. 的余弦成反比

答案查题题库