before you enter the water
after you enter the water
after one hour in the water
after you notice that your suit is losing buoyancy
第1题：
The external flotation bladder on an immersion suit should be inflated ______.
A.before you enter the water
B.after you enter the water
C.after one hour in the water
D.after you notice that your suit is losing buoyancy
第2题：
An immersion suit must be equipped with a(n) ______.
A.air bottle for breathing
B.orange smoke canister
C.whistle，light and retroreflective material
D.sea dye marker
第3题：
In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().
A.heel until the angle of loll is reached
B.list until the center of buoyancy is aligned vertically with the center of gravity
C.trim to the side opposite TCG until all moments are equal
D.decrease draft at the center of flotation
第4题：
For a floating vessel, the center of flotation is the point in the waterplane ______.
A.about which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which, in the absence of external forces, is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB
第5题：
You are testing the external inflation bladder on an immersion suit and find it has a very slow leak．Which action should be taken ________．
A.Replace the suit
B.Replace the inflation bladder
C.Take it out of service and repair in accordance with the manufacturers instructions
D.Some leakage should be expected and a topping off tube is provided; no other action is necessary
第6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7题：
An immersion suit should be equipped with a/an ______.
A.air bottle for breathing
B.whistle and hand held flare
C.whistle，strobe light and reflective tape
D.whistle，hand held flare and sea dye marker
第8题：
A.A
B.B
C.C
D.D
第9题：
Which is TRUE concerning immersion suits and their use ________．
A.Only a light layer of clothing may be worn underneath
B.They provide sufficient flotation to do away with the necessity of wearing a life jacket
C.They should be tight fitting
D.A puncture in the suit will not appreciably reduce its value
第10题：
A user works daily with video production and needs portable storage which will allow them to transport their work back and forth from home. Taking the users storage and bandwidth requirements into consideration, which of the following would BEST suit the users needs?（）