High cylinder firing pressure, accompanied by low exhaust te

【名词&注释】

水溶性(water-soluble)、二甲苯(xylene)、易燃易爆(flammable and explosive)、无线电通信(radio communication)、通用操作员

[单选题]High cylinder firing pressure, accompanied by low exhaust temperature, can result from ___.

A. improper fuel rack positing
B. lengthy exhaust valve duration
C. extend operation at light load
D. excessively early injection timing

查看答案&解析查看所有试题

学习资料：

[单选题]在GMDSS规则中，下列_____不是通用操作员的能力要求。

A. 掌握英语进行海上通信沟通
B. 具备维修GMDSS设备的能力
C. 有效利用GMDSS设备进行通信
D. 了解海上无线电通信相关规则

[单选题]二甲苯具有()特性。

A. 易燃易爆
B. 水溶性强
C. 剧毒

[单选题]A thrust bearing is used with a propulsion diesel engine to ____.

A. control axial movement of the crankshaft
B. transmit engine thrust to the propeller shaft
C. absorb vibrations in the propeller shafting
D. prevent propeller thrust from being transmitted to the hull

[单选题]值班调整缆绳时，除下列哪条不正确外，都是水手应注意的事项。

A. 不要一次松出太多
B. 长缆先松，短缆后松
C. 风流较大时，应同时松缆
D. 系浮筒先松下游缆

本文链接：https://www.51ksbd.net/show/wvd9wg.html