A、A.To prevent internal damage form local overheating
B、B.To ensure the fuel nozzles are flushed clean
C、C.To clear the smoke stack
D、D.To let the waste heat boiler reduce its rate of steam generation
更多“Before shutting off the fuel supply to stop a medium or high–speed diesel engine, why is it necessary to allow the engine to idle for a few minutes?（）”相关的问题
A、A.按压APU SHUT OFF VLV按钮，主旋钮选择在OFF位 B、B.主旋钮选择在OFF位，按压APU SHUT OFF VLV按钮 C、C.按压STOP按钮 D、D.主旋钮选择在OFF位
A、A.air supply is shut off B、B.fuel supply is shut off C、C.water supply is shut off D、D.safety valve lifts
A、shut off the starting air receiver outlet valve B、stop the FO priming transfer pump and shut off the correspondence inlet and outlet valve C、stop the SW pump immediately and shut off the correspondence inlet and outlet valve D、stop the FW pump immediately and shut off the correspondence inlet and outlet valve
A、bunker at a normal rate B、check for kinks in hose C、close valves slowly D、shut valves before topping off
A、fuel supply valve should be closed B、hatches，doors，and oar ports should be closed C、air cylinder shut-off valve should be closed D、engine should be shut off
A、moving the governor control to stop B、shutting off the lubricating oil supply C、tripping the governor emergency stop lever D、shutting off the fuel supply
A、A.controls the amount of gasoline to the engine B、B.shuts off the gasoline supply at the tank C、C.is used if the gasoline tank leaks D、D.All of the above
A、Electrical cut off switch B、A fusible link C、Manual cut off switch D、A water spray actuator
A、A.near the ship’s whistle B、B.on the funnel C、C.in the vicinity of radio aerials D、D.near the radar scanner
A、secure the fuel manifold B、shut off power to the pump C、shut off the power ventilation D、spray water on the fire
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