问题题干答案解析相关问题热门问题最新问题

问题详情

Under normal operating conditions, the rudder is hydraulically locked unless （）.

A、the manual trick wheel is engaged for steering

B、the variable stroke pump is off stroke

C、a rudder order is given by the control system

D、an electric power system failure occurs at the steering gear

时间：2022-01-04 02:45 关键词：船舶辅助机械

答案解析

C

相关问题

Inquiries（）the condition of the patients may be made personally or by telephone.
The quantity or condition which is measured and controlled is known as the （）
Under what condition are you allowed to depart from the rules of the road（）.
During which condition should the operator of a pedestal crane shutdown operations?（）
During which condition should the operator of a pedestal crane shutdown operations?（）