A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers
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A.discharge
B.recircle
C.load
D.take in
A.out
B.beyond
C.from
D.off
A.butterfly valve
B.spectacle valve
C.check valve
D.globe valve
A.before the gripes are removed
B.before loading the passengers
C.after loading the passengers
D.after the boat is afloat
A.does not exceed
B.should exceed
C.should be up to
D.should be no more than
最新試題
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
Damage by（）shall not be considered as handling damage.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
How should you signal the crane operator to move slowly（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
Running an electric winch at slow speed over a long period of time causes（）.
Which method should be used to warm up the pump turbines prior to discharge（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
The net productivity per gang-hour can be improved through a decrease of（）.