In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.
1、The rate of fuel injection in a diesel
The rate of fuel injection in a diesel engine cylinder depends primarily on （）.Athe size of the holes in the fuel nozzleBtiming of the pumpCsupply pressure to the pumpDshape of the combustion chamber
2、In the event of a fire, the doors to a
In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.AconvectionBconductionCradiationDventilatio
3、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...
4、If a fire ignites in the engine room a
If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.Asecure the ventilationBfind a soda acid extinguisherCshut off the fuel oil supplyDsecure the generator
5、Fighting a rig fire in a watertight co
Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.Aprogressive downfloodingBreducing the le...
6、A fire, occurring in the windings, of
A fire, occurring in the windings, of an overloaded electrical motor, is considered a （）.Aclass "A" fireBclass "B" fireCclass "C" fireDclass "D" fire