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
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 statements is FALSE concerning cranes being installed on the centerline of vessels（）.
They（）loading at 1400 hours．
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
Most pedestal crane power is provided by（）.
On no account（）to be exceeded.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.