Heavy soot accumulations in an auxiliary boiler could be caused by()
A、water in the fuel oil
B、excessive cycling
C、high fuel oil pressure
D、improper burner maintenance
A、water in the fuel oil
B、excessive cycling
C、high fuel oil pressure
D、improper burner maintenance
A、A.excess stresses will not be set up in the boiler B、B.the decks will not be covered with soot C、C.the soot will be swept toward the uptakes D、D.there will not be a loss of steam pressure
A、Heavy derrick is used for lifting large heavy cargo. B、Derrick is used for lifting large heavy cargo. C、Heavy derrick is used for lifting dry bulk cargo. D、Derrick is used for lifting dry bulk cargo.
A、drill holes through the heavy side of the impeller until it balances B、weld counterweights to the light side of the impeller C、remove metal from the heavy side by machining in a lathe D、acid wash and serape the heavy side until it balances