In international deep sea
In lakes
In river and canals
Coastal ocean
第1题:
_______ for a long time, most of the crops in this area died from lacking water. A. Being no rain B. There was no rain C. To be no rain D. There being no rain
第2题:
Which of the following would be considered downflooding on a fishing vessel as defined in regulation?
A.Vessel heels until water enters a hatch
B.Vessel in collision floods through a damaged area above the waterline
C.Vessel takes on water due to the hatches being left open in heavy rain
D.Vessel takes on water by the propeller shaft due to failure of the stern gland
第3题:
Which of the following is true?
A.The water in Texas have been reduced by 75%.
B.Most industries in the world suffer from water shortagers.
C.The underground water in Saudi Arabia might run out in 50 years.
D.Good management of water use resulted from the project in the Central Valley.
第4题:
第5题:
第6题:
The pour point of lubricating oils is affected the most by which of the following?
A.Extensive centrifuging
B.Wax content
C.Water content
D.Acid content
第7题:
Which statement about damage control is TRUE ________.
A.A hole in the hull at the waterline is more dangerous than a hole below the inner bottom
B.The amount of water entering a ship through a hole varies inversely to the area of the hole
C.Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartment
D.Water flowing over the forecastle bulwark is more dangerous than a hole in the hull at the waterline
第8题:
In the navigation,_______cause the shafting over load most easily
A.stopping the main engine suddenly
B.changing the main engine running direction suddenly
C.the sailing from the shallow water area to the deep water area
D.the ship's trim too much
第9题:
第10题: