Is this a ()(淡水) tank?
第1题:
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean ______.
A.lower low water
B.high water
C.low water
D.sea level
第2题:
The soundings on the chart are based on the depth of water available at ______.
A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs
第3题:
When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
第4题:
What is the BEST conductor of electricity?
A.Carbon dioxide
B.Distilled water
C.Fresh water
D.Salt water
第5题:
Which step is NOT generally taken when gas-freeing a tank? ______.
A.Washing the tank interior with sea water
B.Application of degreasing solvents
C.Removal of corrosion products and sludge
D.Fresh air ventilation
第6题:
Topside area from deep loadline to bulwark to be thoroughly washed down with ______.
A.highly pressure fresh water
B.high pressured fresh water
C.highly pressured fresh water
D.high pressure fresh water
第7题:
After leaving the port, we used ()to clean the empty holds and decks.
第8题:
It is a ()(压载水) tank.
第9题:
饮用水注入管()
第10题:
污水井盖()
第11题:
The domestic water
Bilge water
Oil transfer
The ballast
第12题:
3 knots in smooth water
6 knots in smooth water
3 knots in rough water
6 knots in rough water
第13题:
The height of a light is measured from which reference plane?
A.Mean low water
B.Mean high water
C.Average water level
D.Geographical sea level
第14题:
Contour elevations on this chart refer to heights in feet above mean ______.
A.lower low water
B.high water
C.low water
D.sea level
第15题:
The external flotation bladder of an immersion suit should be inflated ______.
A.only after two hours in the water
B.only after four hours in the water
C.before entry into the water
D.upon entry into the water
第16题:
An oil tanker with dedicated clean ballast tanks shall have adequate tank capacity dedicated solely to the carriage of ______ as defined.
A.clean ballast
B.crude oil
C.fresh water
D.fuel oil
第17题:
LFG tank and pipeline maintenance should include ______.
A.Exclusion of all sand and solid matter
B.Cleaning with clean fresh or sea water
C.Examination for fractures and pitting
D.All of the above
第18题:
I AM MAKING WATER means ______.
A.My vessel is leaking
B.My vessel is producing fresh water
C.My vessel is producing sea water
D.Sea water is de-salted on board my vessel
第19题:
That is the ()(污水井).
第20题:
淡水注入管()
第21题:
污水井()
第22题:
压载水()
第23题:
3 times the depth of water
6 times the depth of water
10 times the depth of water
15 times the depth of water