更多"The external flotation bladder on a"的相关试题:
[单项选择]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
[单项选择]How is the external flotation bladder of an immersion suit inflated?（）
A. It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track
B. It is inflated by a small CO2 bottle that is manually tripped
C. It is inflated by blowing through an inflation tube
D. It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein
[单项选择]The center of flotation of a vessel is（）.
A. the center of volume of the immersed portion of the vessel
B. the center of gravity of the water plane
C. that point at which all the vertical downward forces of weight are considered to be concentrated
D. that point at which all the vertical upward forces of buoyancy are considered to be concentrated
[单项选择]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
[单项选择]The center of flotation of a vessel 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
[单项选择]Immersion suits must be stowed（）.
A. in the pilothouse
B. on top of lockers
C. where readily accessible
D. on open deck areas
[单项选择]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
[单项选择]Which statement about immersion suits is TRUE?（）
A. The primary color of the suit's exterior may be red，orange or yellow
B. The suit must，without assistance，turn an unconscious person's mouth clear of the water within 5 seconds
C. The suit is flameproof and provides protection to a wearer swimming in burning oil
D. The suit may be stored in a machinery space where the ambient temperature is 160°F
[单项选择]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
[单项选择]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
[单项选择]Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?（）
A. A red parachute flare
B. A red hand-held flare
C. A flashlight
D. A lantern
[单项选择]请问以下国际航线散货船至少要配备多少救生浸水保温服（Immersion Suits）？安全设备证书FORME救生设备登乘人数为40人，在船航员总数是25人，首部设有6人救生筏一只。（）
A. 40人
B. 25人
C. 46人或者43人（按照船旗国要求）
D. 31人
[单项选择]External and internal leakage in hydraulic systems may be caused by （）.
A. unusual vibration
B. excessive worn parts
C. abnormal pressure
D. any of the above
[单项选择]The preferred method of controlling external bleeding is by（）.
A. direct pressure on the wound
B. elevating the wounded area
C. pressure on a pressure point
D. a tourniquet above the wound
[单项选择]Which pump installation would require an external source of sealing water?（）
A. Main circulator pump jacket water cooling
B. Salt water service pump
C. Auxiliary condensate pump
D. Bilge pump
[单项选择]In snall angle stability, when external forces exist , the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.
A. center of gravity
B. center of flotation
C. metacenter
D. metacentric height
[单项选择]The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.
A. nip
B. nap
C. gap
D. lip
