单项选择题
A.decreasing the compression ratio B.using a special fuel having a high ignition temperature C.increasing the starting air supply D.heating the jacket water
Diesel engine air start system check valves are opened ...
单项选择题Diesel engine air start system check valves are opened by （）
A.an air start cam B.cylinder compression pressure C.starting air pressure D.valve springs
The cetane rating of diesel fuel is an indication of th...
单项选择题The cetane rating of diesel fuel is an indication of the （）
A.ignition quality of the fuelB.calorific value of the fuelC.flash point of the fuelD.rate of fuel consumption
The condensers located in various stages of a flash eva...
单项选择题The condensers located in various stages of a flash evaporator are cooled by（）
A.distillate B.seawater C.brine D.air
