A.non-toxic gas
B.Oxygen
C.Hydrogen
D.Helium
您可能感興趣的試卷
你可能感興趣的試題
A.limited to carry no more than 10 persons
B.stowed not more than 59 feet above the lightest waterline
C.stowed in quick release racks
D.inspected every six months
A.the call sign and name
B.the official number and name
C.the port of registry and name
D.the port of registry and official number
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
A.cutting the straps that enclose the container
B.removing the rubber sealing strip from the container
C.loosening the turnbuckle on the securing strap
D.pushing the button on the hydrostatic release
A.The sea anchor deploys
B.The floor inflates
C.If upside down,the craft rights itself
D.The painter detaches from the raft
最新試題
The lights on the outside of the canopy on an inflatable liferaft operate().
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 hydrostatic release on the inflatable liferafts on a fishing vessel must be().
The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to().
The limit switches on a ships survival-craft winch system().
The inside light in an inflatable liferaft is turned on().
Inflatable liferafts are provided with().
If the hydrostatic release mechanism for an inflatable liferaft is not periodically serviced and becomes inoperative,it will NOT().
The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord().
Signaling devices required on inflatable liferafts include a(n) ().