A、pull the nozzle handle all the way back toward the operator
B、pull the nozzle handle back to a position where the handle is perpendicular to the plane of the nozzle
C、push the nozzle handle forward as far as it will go
D、insert a fog applicator between the fire hose and nozzle
更多“The all-purpose nozzle will produce a fog spray when you（）.”相关的问题
A、order the engine room to reduce pressure on the fire pump B、put the lever on an all-purpose fire nozzle all the way forward C、attach a low-velocity fog applicator with the nozzle shut down D、put the lever on an all-purpose fire nozzle all the way back
A、has a spray pattern 12 feet in diameter B、can be used in conjunction with both 1-1/2 inch and 2-1/2 inch all-purpose nozzles C、has a 90°bend at its discharge end D、has a screw thread end which connects to the all-purpose nozzle
A、a difference in water pressure B、the method of breaking up the water stream C、the length of the applicator D、All of the above
A、A.fight an electrical fire B、B.fight a magnesium fire C、C.eliminate smoke from a compartment D、D.All of the above
A、can fit any size hose B、converts a stream of water into a fog C、increases the amount of water reaching the fire D、can spray two streams of water at the same time
A、shield fire fighters from radiant heat B、break up burning material C、get the most water possible on the fire D、drive heat and smoke ahead of the fire fighters
A、A.low-velocity fog only B、B.a solid stream only C、C.a solid stream and foam D、D.a solid stream and fog
客服
TOP
查看正确答案
