单选题Which operation should be done when launching an inflatable liferaft by hand?（）A Open the liferaft casingB Turn the valve on the CO2 cylinder to start inflationC Make sure the operating cord is secured to the vessel before throwing it over the sideD Af

open the CO₂ inflation valve

open the raft container

ensure that the operating cord is secured to the vessel

inflate the raft on the vessel，then lower it over the side

not be put into operation too early

be pay adequate attention to

be used only when necessary

be coated with certain material

open the indicator cocks

supply some LO to cylinder liner wall with lubricator

put the fuel handle in the stop position

pump up the air bottle

You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors

If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors

An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats

Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel

Officer in Charge，Marine Inspection

The manufacturer of the liferaft

Maritime Administration

The owner of the vessel on which the liferafts are carried

Keep a load on the hoist until all personnel are finished working

Set the load on a movable dolly when transportation may be needed

Have one man keep a hand on the load to steady it

Insure that the lifting gear capacity is not exceeded

Test the theory to determine the cause

Perform a root cause analysis

Establish a plan of action

Document outcomes

Scavenging time should be more 30 seconds before igniting

The temperature of sludge tank is 80~100℃

First igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn in

The ash can be dumped into sea when the distance is more than 3 miles from land

opening the automatic drain plugs

draining the water pockets

using the electric bilge pump

using the bailers and cellulose sponge

plot a course for the nearest land

take a vote on which direction you should go

stay in the immediate area

go in one direction until fuel runs out

sight or sound

seeing or sounding

visual or audible

seeing or hearing

 It cannot be done in parallel.

 It can be done at the table level or partition level.

 It does not require additional storage because the operation is done online.

 Local and global indexes are maintained automatically during the operation.

Before the boat is lowered from the stowage position

As soon as the boat-fall blocks clear the davit head

After the limit switch is activated

After all people have been embarked

igniting boiler

releasing air in sea water system

starting generator

cut off shore power

clean the flame scanner photocell window

Inspect and clean all solenoid valves

lift the safety valves by hand

Inspect for oil or water leaks

secured forward and aft where readily available

secured amidships where they will not hinder the personnel

used for fending off

used for picking up survivors in the water

engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air briefly

in the operation of engine trails, the main engine should be running in low-speed

As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same time

the order “engine trials” should be given by the bridge

open the indicator cocks

supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)

put the fuel handle in the “stop” position

pump up the air bottle

Clean all electrical connections

Lift the relief valves by hand

Inspect and clean all solenoid valves

Inspect for oil and water leaks