A.must be wet before it will release
B.should be kept in a watertight cover except in an emergency
C.will inflate the raft in its cradle if operated manually
D.must be submerged to a certain depth to release automatically
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A.Immediately use all the signals at once
B.Use all the signals during the first night
C.Employ a signal every hour after abandoning ship until they are gone
D.Use them only when you are aware of a ship or plane in the area
A.automatically as the liferaft inflates
B.with a switch near the boarding handle
C.at night because the light has a photosensitive switch
D.by screwing the bulb in after the raft is inflated
A.climb onto the bottom
B.swim away from the raft
C.right the raft using the righting strap
D.inflate the righting bag
A.cutting the old line off and renewing same
B.an approved servicing facility ashore
C.opening the case and replacing the entire line
D.one of the ship's officers
A.by turning the globe clockwise
B.by a switch at each light
C.by a light sensor
D.automatically when the raft is inflated
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
A.lifeline
B.painter
C.drogue
D.marker
A.replaced annually
B.tested monthly
C.serviced annually
D.overhauled quarterly
A.filling the stabilizers on one side with water
B.releasing the CO2 cylinder
C.pushing up from under one end
D.standing on the inflating cylinder and pulling on the straps on the underside of the raft
A.open the CO2 inflation valve
B.open the raft container
C.ensure that the operating cord is secured to the vessel
D.inflate the raft on the vessel，then lower it over the side
最新試題
Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However，the total elapsed time between servicing cannot exceed（）.
Generally，what is used to inflate liferafts?（）.
The lights on the outside of the canopy on an inflatable liferaft operate（）.
If your vessel is equipped with inflatable liferafts，how should they be maintained?（）
As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.
If an inflatable liferaft inflates upside down，you can right it by（）.
The worst atmospheric condition for dispersion of H2S is（）.
In evacuation from a ship，an individual without the option of a survival craft or liferaft should enter the water on the leeward side，except when（）.
The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.