A.hollow tube surrounding the propeller used to improve thrust B.nozzle attached to a firefighting hose C.intake valve on a diesel engine D.piston cylinder on a diesel engine
A.those with diesel engines B.all those with gasoline engines C.those with large engines only D.None of the above
A.low voltage trip B.reverse power trip C.damage to windings D.excessive exhaust temperatures
A.with B.of C.on D.over
A.areas where special materials are used B.hazardous areas C.location of emergency repair equipment D.type and strength of materials used
A.air starters B.carburetors C.natural aspiration D.air receivers
A.spark plugs B.glow plugs C.heat of compression D.a magneto
A.four cycle B.compression ignition C.vacuum ignition D.external combustion
A.discharge a CO2 extinguisher in the air inlet B.pull off the distributor cap C.secure the jacket water D.secure the starting air supply valve
A.They regulate the combustion cycle B.They supply cooling water C.They synchronize the ignition spark D.They supply and regulate the lubricant flow