on the windward side of the opening
on the leeward side of the opening
at a right angle to the wind direction
so that the obstruction of your body will protect you from the fumes
第1题:
Movement of liquid in a tank when a vessel inclines causes an increase in ______.
A.Righting arm
B.Metacentric height
C.Height of the uncorrected KG
D.Natural rolling period
第2题:
Which statement about inert gas pressures in a cargo tank is TRUE ________.
A.The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging
B.Gas pressures should be maintained at the highest permissible level throughout the discharging process
C.High gas pressures may cause pyrophoric oxidation in the tank
D.High gas pressures may cause loss of suction when stripping
第3题:
When steering by autopilot, how often should_______steering be checked?
A.every day
B.when time allows
C.At least once a watch
D.No checking is necessary
第4题:
plugging gooseneck tank vents to prevent accident overflow
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
第5题:
第6题:
When a tank is to be gas freed after washing,the concentration of hydrocarbon vapour should be reduced by purging the inerted cargo tank with ______.
A.the oxygen
B.the gas
C.the inert gas
D.the hydrocarbon vapour
第7题:
When cleaning a tank by the Butterworth process,you should begin to pump out the slops ______.
A.At the end of the drop schedule
B.When the process is started
C.When the process is finished
D.When the tank is clean
第8题:
The amount of LFG that may be loaded into a given tank is determined by ______.
A.Checking the loading sheet
B.Loading to within 1 percent of outage
C.Loading to within 10 percent of the safety relief valve setting
D.Filling to the maximum level indicated on the liquid level gaging device
第9题:
When surveying for VoWLAN, which power level should you base the access point coverage designon?()
第10题:
low in the vessel
completely empty
completely full
slack