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【单选题】
从机组甩负荷后的转速自导叶动作开始至达到最大转速所经历的时间是调节系统的（）。
A.
机组的惯性时间
B.
接力器不动时间
C.
调速器的迟滞时间
D.
升速时间
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参考答案：
参考解析：
刷刷题刷刷变学霸
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A.
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B.
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【单选题】混流式水轮机导叶开度是指( )
A.
导叶出口边与相邻导叶间的最大距离
B.
导叶出口边与相邻导叶出口边的最小距离
C.
导叶出口边与相邻导叶间的最小距离
D.
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A.
恒为正，有正、负
B.
恒为正，恒为负
C.
有正、负，恒为负
D.
恒为负，恒为正