航海英语货物装卸货作业章节练习(2018.03.19)

单项选择题
We’ve changed our（）not to start loading this evening．
A.heart
B.hearts
C.mind
D.minds
单项选择题
The total quantity of oil discharge into the sea（）for existing tankers 1/15000 of the total quantity of the particular cargo or which the residue formed a part（）.
A.does not exceed
B.should exceed
C.should be up to
D.should be no more than
单项选择题
When viewed from above，the best position for the guy in relation to the boom is（）.
A.At a 45° angle
B.At right angles
C.4 feet aft of the heel of the boom
D.Parallel to the boom
单项选择题
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
A.Cargo whip
B.Gooseneck fitting
C.Spider band
D.Topping lift
单项选择题
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
A.It is required on all vessels
B.It may be located in a conspicuous place in the wheelhouse
C.It may be located at the bilge and ballast pump control station
D.All of the above
单项选择题
Stop（）the derrick at once，the gooseneck is bent.
A.to use
B.to operate
C.maneuvering
D.using
单项选择题
What is the purpose of the equalizing beam aboard a crane vessel（）.
A.It allows for rotation of the hook in the single mode
B.It is required to“twin-up”30-ton pedestal cranes
C.It is used to pick up light loads
D.It is used to rigidly connect two cranes
单项选择题
The terminal stuff tallies the cargo mainly before the ship’s（）.
A.loading
B.leaving
C.arriving
D.sailing
单项选择题
Sudden starts or stops of the boom is likely to cause all of the following except（）.
A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out
单项选择题
（） is not usually used in liquid cargo systems.
A.Hydraulic drive systems
B.Electric drive systems
C.Steam drive systems
D.Man-powered drive systems