Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
1、Care must be taken to condition the （）
Care must be taken to condition the （）in the boiler to prevent scaling, and corrosion, which can weaken the pressure vessel.AwaterBfuelCsteamDair
2、Which step should normally be taken FI
Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）ARation food and water suppliesBTake anti-seasickness pills，if availableCDetermine position and closest point of landDCheck pyrotechnic supplie
3、Which action should be taken on receip
Which action should be taken on receipt of a GMDSS distress alert（）.ARead the display screen and/or printoutBSilence the alarmCListen for any follow up voice/telex transmission on the appropriate frequencyDAll of the above
4、（）, remedies must be taken to stop it
（）, remedies must be taken to stop it as early as possible.AAny surge occursBAny surge occurredCShould any surge occurDShould any surge occurring
5、Which step is NOT generally taken when
Which step is NOT generally taken when gas-freeing a tank?（）.AWashing the tank interior with sea waterBApplication of degreasing solventsCRemoval of corrosion products and sludgeDFresh air ventilatio
6、The following actions can be taken to
The following actions can be taken to remove a fileset EXCEPT.（）ARemoving a fileset update leaving the base filesetBRemoving a base fileset in...