Propeller pitch speed minus ship speed

1、The ship should reduce speed in（）.

The ship should reduce speed in（）.Athe poor visibilityBthe good nightCthe fast speedDthe good sight

2、The pitch ratio of a propeller is the

The pitch ratio of a propeller is the mean pitch divided by （）.Athe propeller diameterBthe propeller radiusCthe pitch angleDthe length of helix

3、Compared to a constant pitch propeller

Compared to a constant pitch propeller, a controllable pitch propeller（）.Amore efficiently uses available engine powerBoperates at a lower effici...

4、（）is the maximum speed of your ship?

（）is the maximum speed of your ship?AHowBWhichCHow aboutDWhat

5、当出现“SPEED，SPEED，SPEED”的语音警告时表示：（）

当出现“SPEED，SPEED，SPEED”的语音警告时表示：（）AA、速度超限BB、当前推力不足以通过俯仰操纵来恢复正常飞行CC、速度偏离选择或管理的速度

6、关于《故障集》中对error_pitch_speed_limit解释说明正确

关于《故障集》中对error_pitch_speed_limit解释说明正确的是（）A表示变桨速度超限，超过了限定值14°/sB第一步检查旋转编码器的插头及插头处的屏蔽层连接C第二步检查旋转编...