slipway
graving dock
ground warp
caisson dock
第1题:
The correct method of switching off a marine radar is to turn power switch to ____ position fisrt, then to ______ position.
A.off / standby
B.standby / off
C.standby / close
D.close / standby
第2题:
When the fuel oil is burning in the combustion chamber, it _____.
A.gives up large amount of heat
B.gives off large amount of heat
C.gives up large amount of steam
D.gives off large amount of steam
第3题:
5. Please cut _________ the meat and let's make dumplings.
A.up
B.down
C.into
D.off
第4题:
第5题:
What is the purpose of the limit switch on gravity davits?
A.To cut off the power when the davits hit the track safety stops
B.To stop the davits from going too fast
C.To cut off the power when the davits are about 12 inches or more from the track safety stops
D.None of the above
第6题:
One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier is
A.seal water supply be cut off
B.make-up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oil is too much
第7题:
A large basin cut into the shore,closed off by a caisson,and used for dry docking of ships is known as a ______.
A.slipway
B.graving dock
C.ground warp
D.caisson dock
第8题:
A、cut down⋯much
B、cut out⋯much
C、subtract⋯low
D、decrease⋯high
第9题:
第10题:
The signals that will be used for emergency should be clearly ().