单项选择题 When the incinerator is stopped, which of the following is wrong?（）

单项选择题 Concerning the incinerator’s operation, which of the following is not correct?（）

单项选择题 When does auxiliary burner of incinerator put into operation? （） Ⅰ.tart incinerator when it is cold Ⅱ.he sludge for dealing with is little Ⅲ.he sludge for dealing with is large Ⅳ.he water and impurity in sludge are too much Ⅴ.he temperature in incinerator is low Ⅵ.ealing with little solid rubbish