下载APP
【单选题】
与电缆鱼雷头相连的电极头部分是用()把拉力线固定的。
A.
花篮锥筐和锥体
B.
焊接方法
C.
铠装钢丝
D.
连接线
举报
题目标签:
鱼雷
电极头
固定
相关题库:
射孔取心工(初级)题库
参考答案:
参考解析:
刷刷题刷刷变学霸
举一反三
【判断题】教具可以放在分类柜中不固定的位置。
A.
正确
B.
错误
查看完整题目与答案
【简答题】三端固定输出线性集成稳压器CW78××,其输出电压极性为( ) ;CW79××,输出电压的极性为( )。(填“正”或“负”)
查看完整题目与答案
【简答题】质量为m的木块静止在一固定的斜面上,已知动摩擦因素为μ,斜面倾角为θ,木块所受摩擦力为( )
A.
μmgcosθ
B.
μmgsinθ
C.
mgcosθ
D.
mgsinθ
查看完整题目与答案
【判断题】停电清扫线路应包括检查绝缘子在横担上的固定是否牢固、金具零件是否完好。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The report came to the British on May 21, 1941. The German battleship Bismarck, the most 1 warship in the world, was moving out into the Atlantic Ocean. Her task: to destroy the ships 2 suppli...
A.
end
B.
sea
C.
fight
D.
day
查看完整题目与答案
【简答题】质量为M的快艇携带一颗质量为m的鱼雷,两者一起以速度v向前运动.快艇沿前进方向发射鱼雷后,速度减为原来的 1 3 ,不计水的阻力,则鱼雷的发射速度为( )
A.
2M+3m 3m v
B.
2M 3m v
C.
4M-m 3m v
D.
4M 3m v
查看完整题目与答案
【单选题】Part ADirections: Read the following four texts.Answer the questions below each text by choosing A, B, C or D .Mark your answers on ANSWER SHEET 1.It was the worst tragedy in maritime (航海的) history, s...
A.
It was attacked by Russian torpedoes.
B.
Most of its passengers were frozen to death.
C.
Its victims were mostly women and children.
D.
It caused the largest number of casualties.
查看完整题目与答案
【单选题】It was the worst tragedy in maritime (航海的) .history, six times more deadly than the Titanic. When the German cruise ship Wilhelm Gustloff was hit by torpedoes (鱼雷) fired from a Russian submarine in th...
A.
a strong ice storm tilted the ship
B.
the cruise ship sank all of a sudden
C.
the badly damaged ship Leaned toward one side
D.
the frightened passengers fought desperately for lifeboats
查看完整题目与答案
【单选题】扇区的容量大小是固定的,为()
A.
521b
B.
1024b
C.
512B
D.
1KB
查看完整题目与答案
【单选题】在出铁线补空鱼雷罐车时,作业人员要严格控制(),所补空罐不得与正在受铁的罐车连接。
A.
运行速度
B.
车距
C.
车数
D.
车速10公里/小时
查看完整题目与答案