A.maximum working pressure
B.bursting pressure
C.safety relief valve setting
D.maximum temperature
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A.hygroscopic cargo
B.measurement cargo
C.stowage cargo
D.weight cargo
A.as a connecting strap between the butted ends of plating
B.to stiffen areas under points of great stress between beams
C.to prevent the anchor from fouling when the brake is released
D.to provide an extra heavy fitting in a lift cargo released
A.the change in difference between the forward and aft drafts
B.the sum of free communication, free surface and pocketing
C.the moment of inertia of the ship's waterline plane about the athwartship axis
D.rolling and listing
A.any deck below the main deck and above the lowest deck
B.a member that gives fore-and-strength
C.made by placing two bulkhead a few feet apart
D.a heavy fore-and-aft beam under the deck
A.vapor to oxygen
B.the flammable limit concentration
C.the autoignition concentration
D.the lower explosive limit concentretion
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Fog is likely to occur when there is little difference between the dew point and the（）.
What is it called when it is possible to ignite the vapour above the oil?（）
When the wave period and the apparent rolling period are the same（）.
The helm command PORT TWENTY means（）.
A tide is called diurnal when（）.
According to the relevant regulation, lifeboat should be powered by（）.
Berthing means bringing a vessel to her berth until（）.
Before any loading takes place any signs of the previous cargo should do（）.
Manoeuvring information can not be obtained from（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.