井喷报警信号是()。
A、鸣长汽笛声;
B、鸣短汽笛声;
C、鸣三短汽笛声。
第1题:
A.预告信号是间断鸣三次长声,即鸣30s、停、鸣30s、停、鸣30s
B.准备信号是间断鸣一长、一短三次,即鸣20s、鸣10s、停、鸣20s、鸣10s、停、鸣20s、鸣10s
C.起爆信号是连续三短声,即鸣10s、停、鸣10s、停、鸣10s
D.解除信号是一次长声,鸣60s
第2题:
A.间断鸣三次长声,即鸣30s、停、鸣30s、停、鸣30s
B.间断鸣一长、一短三次,即鸣20s、鸣10s、停、鸣20s、鸣10s、停、鸣20s、鸣10s
C.连续三短声,即鸣10s、停、鸣10s、停、鸣10s
D.一次长声,鸣60s
第3题:
A.间断鸣三次长声,即鸣30s、停、鸣30s、停、鸣30s
B.间断鸣一长、一短三次,即鸣20s、鸣10s、停、鸣20s、鸣10s、停、鸣20s、鸣10s
C.连续三短声,即鸣10s、停、鸣10s、停、鸣10s
D.一次长声,鸣60s
第4题:
A.间断鸣三次长声,即鸣30s、停、鸣30s、停、鸣30s
B.间断鸣一长、一短三次,即鸣20s、鸣10s、停、鸣20s、鸣10s、停、鸣20s、鸣10s
C.连续三短声,即鸣10s、停、鸣10s、停、鸣10s
D.一次长声,鸣60s
第5题:
A.间断鸣三次长声,即鸣30s、停、鸣30s、停、鸣30s
B.间断鸣一长、一短三次,即鸣20s、鸣10s、停、鸣20s、鸣10s、停、鸣20s、鸣10s
C.连续三短声,即鸣10s、停、鸣10s、停、鸣10s
D.一次长声,鸣60s