A. Electrically non-conductive B. Relatively inexpensive C. Effective against chemicals containing an oxidizer D. All of the above
A. Insure the chemical is powdery B. Replace the cartridge C. Pressure test the discharge hose D. Test the pressure gauge for proper operatio
A. On the Ship Station License B. On the side of the EPIRB transmitter C. In the radio log D. On the Certificate of Inspectio
A. When attacking the fire directly B. When using a steam smothering system C. When using the fixed CO<sub>2</sub> system D. All of the above
After each use B. When the air temperature exceeds 90°F C. Every 6 months D. Every 12 month
A. Foam B. Solid stream water nozzle C. All-purpose nozzle D. Carbon dioxide
A. over the top of the flames B. off a bulkhead into the fire C. in front of the fire D. at the base of the fire
A. coaming B. alarm C. drain D. fire sensor
A. is not an effective agent on Class B fires B. does little or no cooling C. dissipates quickly D. is rapidly absorbed by the liquid
A. Fire team B. Rescue team C. Emergency team D. Control team
微信支付 
支付宝支付