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
更多“Under normal operating conditions, the rudder is hydraulically locked unless （）.”相关的问题
A、maximum power at a normal load B、maximum power and load under normal conditions C、half speed and normal temperature D、normal operating temperature without a load
A、Constant inspection B、Keeping constant load C、Remaining constant temperature D、varying speed
A、Constant inspection B、Keeping constant load C、Remaining constant temperature D、Varying speed
A、dirty delivery ducts B、too much refrigerant C、the fouling filters D、high temperature outside
A、above normal with a below normal exhaust temperature B、above normal with a normal exhaust temperature C、below normal with a normal exhaust temperature D、below normal with an above normal exhaust temperature
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