临界转速(critical speed)
临界转速(critical speed)
相关考题:
单选题在主机遥控系统自动回避临界转速回路中,若输出等于设定转速时,表示()。A设定转速大于临界转速下限值B设定转速小于临界转速上限值C设定转速设定在临界转速区D设定转速小于临界转速下限或大于临界转速上限
单选题When the vessel on the full speed ahead, if full astern immediately () the main engine start astern and fuel injection.Aafter the thrust power is zeroBafter the torsion is zeroCsurpass the critical point on the water turbo phaseDafter the speed is zero
单选题在具有自动回避临界转速的主机遥控系统中,在稳态运行时,当送至调速器转速给定值小于车令设定的转速值时,表示()。A设定转速大于临界转速上限值B设定转速小于临界转速下限值C设定转速设定在临界转速区D设定转速等于临界转速下限值
单选题球磨机粉碎的理想转速为()A最低转速32倍B临界转速C临界转速的75%D临界转速的90%E最高转速的75%