更多"[单选题] Deballasting a double bottom "的相关试题:
[单选题] What may affect the accuracy of sounding with echo sounder?
A. Sea bottom
B. ship’s speed
C. Speed of current
D. Water temperature and density
[单选题]( ) 6. What he has thought for me _________ only a few magazines.
A.
is
B.
are
C.
will be
D.
have been
[单选题] What type of stern tube bearing has the least friction ________．
A.Oil-lubricated bearings
B.Lignum vitae
C.Hard rubber
D.Bronze bushings
[单选题] ______ is not a factor which will affect the accuracy of GPS receiver．
A.detective availability
B.local environmental conditions
C.autonomous mode versus differential correction mode versus RTCM mode
D.the averaging of recorded locations
[单选题] Generally speaking，the most favorable bottom for anchoring is ______．
A.Very soft mud
B.Rocky
C.A mixture of mud and clay
D.Loose sand
[单选题] Top and bottom inner graduated borderlines of the chart are__________.
A. scales of latitude
B. scales of longitudes
C. compass rose
D. source data
[单选题] The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a ______．
A.cradle
B.draft
C.harping
D.manger
[单选题] Which chart symbol indicates the bottom is clay ?
A. Cly
B. Cla
C. Cl
D. C
[单选题] LIFTING THE ANCHOR FROM THE BOTTOM is called ______.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
[单选题] Frames to which the tank top and bottom shell are fastened are called ______．
A.floors
B.intercostals
C.stringers
D.tank top supports
[单选题] A term applied to the bottom shell plating in a double-bottom ship is ______．
A.bottom floor
B.outer bottom
C.shear plating
D.tank top
[单选题] Bottom stowage on board a ship is usually given to _______.
A. dry cargoes
B. heavy cargoes
C. delicate cargoes
D. the cargoes bound for the first port of call
[单选题] A Doppler log in the bottom return mode indicates the ______.
A. velocity of the current
B. bottom characteristics
C. depth of the water
D. speed over the ground
[单选题] ______ sends a radio signal from the bottom of the ship to the sea-bed, from which it is reflected.
A. The marine sextant
B. The chronometer
C. The echo sounder
D. The radar
[单选题] What is OPA 90?
A. Oil Production Act of 1990
B. ore Pollution Act of 1990
C. Oil Pollution Act of 1990
D. Ore Production Act of 1990
[单选题] What does OBO mean?
A. Oil Bulk Oil
B. Ore Bulk Oil
C. Only Bulk Ore
D. Only Basic Oil
