A.load
B.loading
C.will load
D.to load
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A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers
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
最新試題
Damage by（）shall not be considered as handling damage.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
Running an electric winch at slow speed over a long period of time causes（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
The net productivity per gang-hour can be improved through a decrease of（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
When using slings，cargo handlers should take all the following precautions except（）.
What does “evel-luffing” accomplish during crane operations（）.