If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power,which will occur?()
A:A pawl,forced by a spring mechanism,will engage the teeth of the bull gear and hold the load
B:An electromagnetic brake will hold the load where it is suspended
C:The load will fall rapidly to the deck unless the foot brake is engaged
D:The load will slowly lower to the deck under control of the drag of the winch motor
出自:海船船员证