Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
1、In a married falls rig at the after en
In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboar...
2、In fighting a fire in a fuel tank, the
In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.Asecure all sources of fresh air to the tankBbegin transf...
3、When fighting a fire with a portable d
When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.Aover the top of the flamesBoff a bulkhead into the fireCin front of the fireDat the base of the fire
4、In fighting a fire in a fuel tank, the
In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.Asecure all sources of fresh air to the tankBbegin transfe...
5、Carbon dioxide as a fire fighting agen
Carbon dioxide as a fire fighting agent has which advantage over other agents? （）AIt causes minimal damageBIt is safer for personnelCIt is cheaperDIt is most effective on a per unit basi
6、When fighting a spreading fire resulti
When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.Alook for a CO2 extinguisherBuse a soda acid extinguisherCshut off the fuel supplyDsmother the fire with rag