No outlet on a fire hydrant may point above the horizontal in order to().
A、avoid kinking the hose
B、avoid personal injury during connection
C、make connecting easier
D、prevent spray on electrical equipment
A、avoid kinking the hose
B、avoid personal injury during connection
C、make connecting easier
D、prevent spray on electrical equipment
A、Put out the fire right now and cool hold No.2. B、Put off the fire right now and cool around No.2. C、Put on the fire right now and cool hold No.2. D、Put out the fire right away and cool around hold No.2.
A、spraying directly on the base of the fire B、flowing the foam down a vertical surface C、sweeping the fire before you with the foam D、spraying directly on the surface of the fire
A、raw water pump discharge B、expansion tank outlet C、cooling water heat exchanger D、outlet engine jacket water outlet
A、size of the fire when initially observed B、complete containment of the fire C、cooling ability of the firefighting agent D、class of the fire
A、标着“NO.1FIRE”或“NO.2FIRE”的相应的发动机扇形座T-手柄警告灯亮 B、飞行员和副驾驶的耳机有一个连续的音频信号 C、总警告板上相应的“ENG FIRE PRESS-TONE OFF”警告灯亮 D、以上三项都是
A、A.is not an effective agent on Class B fires B、B.does little or no cooling C、C.dissipates quickly D、D.is rapidly absorbed by the liquid