A.waterline
B.freeboard deck
C.Plimsoll mark
D.amidships section
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A.Ballasting or cleaning of fuel oil tanks
B.Shifting suction of main fuel pump to reserve fuel oil tank
C.Changing out sprayer plates to adjust for steam demand
D.Daily inspection of engine room bilges
A.tonnage
B.reserve buoyancy
C.draft
D.freeboard
A.flash point
B.fire point
C.upper explosive limit
D.lower explosive limit
A.To permit flooding of any fuel oil storage tank on any class of ship
B.To use it as a secondary service system
C.To store reserve feed or potable water for extended cruises
D.To stabilize the ship by flooding certain designed tanks with seawater
A.height of the metacenter
B.fighting arm
C.righting moment
D.metacentric height
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To proceed to the assistance of a ship in distress is（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The ISPS Code consists of a mandatory section-Part A, which shows（）
If separating effect is not good, which measure should be taken （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which of the following items don’t belong to dock repair works?（）
Diesel engine air start system check valves are opened by （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The main purpose of port State control is not to（）