When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be()
A:cleaning fuel oil, lubricating oil and seawater filter
B:reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
C:using low sea chest
D:closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
出自:海船船员证