A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers
您可能感興趣的試卷
你可能感興趣的試題
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
The Master or person in charge of a ship shall ensure the crane record book shows the().
Pedestal cranes have limit switches to restrict movement of which function(s)().
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom().
When using slings,cargo handlers should take all the following precautions except().
Which statement comparing a shipboard crane to conventional gear is TRUE().
Running an electric winch at slow speed over a long period of time causes().
How should you signal the crane operator to move slowly().
Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil().
If an attempt is made to hoist a load that exceeds the capacity of an electric winch,an overload safety device causes a circuit breaker to cut off the current to the winch motor().