A.has left hand twist
B.has inside threads on both ends
C.has outside threads on both ends
D.takes two men to operate
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A.dead reckoning
B.pilotage
C.great circle sailing
D.geographic navigation
A.blows the fire back toward the vessel
B.comes over the bow
C.comes over the stern
D.comes over either beam
A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
A.contaminating food with extinguishing agent
B.shutting all sources of air into the compartment
C.closing the sea chest
D.a grease fire in the ventilation system
A.remain on course and hold speed
B.change course and put the stern to the wind
C.change course to put the wind on either beam and increase speed
D.remain on course but slack the speed
最新試題
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The mean draft of a ship is the draft（）.
Bales close to the deckhead should be covered to prevent（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The circulation around a low pressure center in the Northern Hemisphere is（）.
The loading of the ship must be done in accordance with（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Manoeuvring information can not be obtained from（）.