A.butterfly valve
B.spectacle valve
C.check valve
D.globe valve
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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
A.environmental loading
B.variable loading
C.fixed loading
D.basic loading
A.loading
B.leaving
C.arriving
D.sailing
A.booster pump coming on the line and discharging properly
B.booster pump failing to start
C.booster pump being lined up in the wrong direction
D.ship's pump speeding up
最新試題
The item（）is not the advantage of the hydraulic winch．
On no account（）to be exceeded.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
How should you signal the crane operator to lower the boom and raise the load（）.
How should you signal the crane operator to move slowly（）.
When using slings，cargo handlers should take all the following precautions except（）.
They（）loading at 1400 hours．
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（）.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.